20th Century YA and Middle Grade Science Fiction (621 books)

Listopia > 20th Century YA and Middle Grade Science Fiction

This list is for YA and middle grade science fiction published in the 20th century.

No fantasy! Science fiction only, encompassing futuristic, dystopian, post-apocalyptic, and space themed stories. Books on this list must be published for the YA and middle grade market.

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1	A Wrinkle in Time (Time Quintet, #1) by Madeleine L'Engle 3.97 avg rating — 1,297,337 ratings score: 1,693, and 18 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
2	The Giver (The Giver, #1) by Lois Lowry (Goodreads Author) 4.12 avg rating — 2,844,350 ratings score: 1,264, and 13 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
3	Ender’s Game (Ender's Saga, #1) by Orson Scott Card 4.31 avg rating — 1,485,348 ratings score: 1,090, and 11 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
4	Mrs. Frisby and the Rats of NIMH (Rats of NIMH, #1) by Robert C. O'Brien 4.17 avg rating — 186,465 ratings score: 559, and 6 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
5	Enchantress from the Stars (Elana, #1) by Sylvia Engdahl (Goodreads Author) 3.95 avg rating — 4,223 ratings score: 529, and 6 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
6	The Tripods Trilogy (The Tripods, #1-3) by John Christopher 4.21 avg rating — 3,070 ratings score: 444, and 5 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
7	A Wind in the Door (Time Quintet, #2) by Madeleine L'Engle 3.98 avg rating — 133,210 ratings score: 422, and 5 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
8	This Time of Darkness by Helen Mary Hoover 4.29 avg rating — 707 ratings score: 391, and 4 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
9	A Wrinkle in Time Quintet (A Wrinkle in Time Quintet, #1-5) by Madeleine L'Engle 4.32 avg rating — 5,615 ratings score: 388, and 4 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
10	The Girl Who Owned a City by O.T. Nelson 3.79 avg rating — 5,500 ratings score: 378, and 4 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
11	Gathering Blue (The Giver, #2) by Lois Lowry (Goodreads Author) 3.83 avg rating — 211,752 ratings score: 376, and 4 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
12	Escape to Witch Mountain by Alexander Key 3.91 avg rating — 3,665 ratings score: 373, and 4 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
13	Anna to the Infinite Power by Mildred Ames 3.95 avg rating — 638 ratings score: 362, and 4 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
14	A Swiftly Tilting Planet (Time Quintet, #3) by Madeleine L'Engle 4.07 avg rating — 112,213 ratings score: 327, and 4 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
15	The White Mountains (The Tripods, #1) by John Christopher 3.95 avg rating — 14,906 ratings score: 324, and 4 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
16	Searching for Lucky #3002: A Ben and Blue Mystery by Ellen Melissa Cohen 4.74 avg rating — 39 ratings score: 300, and 3 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
17	This Place Has No Atmosphere by Paula Danziger 3.85 avg rating — 1,803 ratings score: 292, and 3 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
18	Podkayne of Mars by Robert A. Heinlein 3.67 avg rating — 9,639 ratings score: 290, and 3 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
19	A Tale of Time City by Diana Wynne Jones 3.86 avg rating — 5,500 ratings score: 287, and 3 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
19	The Last Book in the Universe by Rodman Philbrick 3.91 avg rating — 10,313 ratings score: 287, and 3 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
21	Out of the Silent Planet (The Space Trilogy, #1) by C.S. Lewis 3.93 avg rating — 109,034 ratings score: 284, and 3 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
22	Children of the Dust by Louise Lawrence really liked it 4.00 avg rating — 2,266 ratings score: 279, and 3 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
23	The Rolling Stones by Robert A. Heinlein 3.89 avg rating — 7,938 ratings score: 277, and 3 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
24	The Forgotten Door by Alexander Key 4.11 avg rating — 2,818 ratings score: 276, and 3 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
25	The Silver Metal Lover (Silver Metal Lover, #1) by Tanith Lee 4.04 avg rating — 4,267 ratings score: 273, and 3 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
26	Brother in the Land by Robert Swindells 3.96 avg rating — 1,565 ratings score: 271, and 3 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
27	Have Space Suit—Will Travel by Robert A. Heinlein 3.93 avg rating — 31,488 ratings score: 270, and 3 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
28	Empty World by John Christopher 3.83 avg rating — 1,004 ratings score: 269, and 3 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
29	Jumper (Jumper, #1) by Steven Gould (Goodreads Author) 3.93 avg rating — 16,286 ratings score: 268, and 3 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
30	The Girl with the Silver Eyes by Willo Davis Roberts 4.02 avg rating — 10,882 ratings score: 267, and 3 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
31	Among the Hidden (Shadow Children, #1) by Margaret Peterson Haddix 3.99 avg rating — 132,146 ratings score: 266, and 3 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
32	Journey Between Worlds by Sylvia Engdahl (Goodreads Author) 3.66 avg rating — 181 ratings score: 264, and 3 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
33	When the Tripods Came by John Christopher 3.81 avg rating — 4,896 ratings score: 240, and 3 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
33	The Keeper of the Isis Light (Isis, #1) by Monica Hughes 3.87 avg rating — 1,410 ratings score: 240, and 3 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
35	Z for Zachariah by Robert C. O'Brien 3.68 avg rating — 18,010 ratings score: 237, and 3 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
36	The Iron Giant by Ted Hughes 3.86 avg rating — 12,955 ratings score: 226, and 3 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
37	The Wonderful Flight to the Mushroom Planet (The Mushroom Planet, #1) by Eleanor Cameron 4.02 avg rating — 2,623 ratings score: 222, and 3 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
38	The City of Gold and Lead by John Christopher 4.09 avg rating — 9,227 ratings score: 206, and 3 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
39	Beyond the Dark River by Monica Hughes 3.54 avg rating — 24 ratings score: 203, and 3 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
40	Rite of Passage by Alexei Panshin 3.81 avg rating — 3,798 ratings score: 200, and 2 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
41	The Domes of Mars (Maurice Gray, #2) by Patrick Moore 3.83 avg rating — 6 ratings score: 199, and 2 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
41	A Princess of Mars (Barsoom, #1) by Edgar Rice Burroughs 3.81 avg rating — 60,995 ratings score: 199, and 2 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
43	The Martian Tales Trilogy (Barsoom #1-3) by Edgar Rice Burroughs 4.05 avg rating — 10,047 ratings score: 192, and 2 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
44	The Green Book by Jill Paton Walsh 3.68 avg rating — 1,808 ratings score: 191, and 2 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
45	The Runaway Robot by Lester del Rey 4.01 avg rating — 516 ratings score: 190, and 2 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
46	The Space Ship Under the Apple Tree by Louis Slobodkin 4.08 avg rating — 206 ratings score: 189, and 2 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
46	Kindred by Octavia E. Butler 4.31 avg rating — 280,939 ratings score: 189, and 2 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
48	The Alliance by Gerald N. Lund (Goodreads Author) 4.22 avg rating — 4,598 ratings score: 186, and 2 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
49	Ray Bradbury's The Martian Chronicles: The Authorized Adaptation (Ray Bradbury Graphic Novels) by Dennis Calero (Illustrator) 3.75 avg rating — 820 ratings score: 184, and 2 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
50	Winter of Fire by Sherryl Jordan 4.32 avg rating — 2,714 ratings score: 182, and 3 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
51	An Acceptable Time (Time Quintet, #5) by Madeleine L'Engle 3.78 avg rating — 24,096 ratings score: 180, and 2 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
52	The Isis Trilogy by Monica Hughes 4.18 avg rating — 55 ratings score: 177, and 2 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
53	The Hermit Thrush Sings by Susan Butler 4.14 avg rating — 460 ratings score: 176, and 2 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
53	Children of Morrow by Helen Mary Hoover 4.16 avg rating — 278 ratings score: 176, and 2 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
55	Off the Road by Nina Bawden liked it 3.00 avg rating — 75 ratings score: 174, and 2 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
56	The Ennead by Jan Mark 3.27 avg rating — 49 ratings score: 173, and 2 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
57	Sprockets: A Little Robot by Alexander Key 4.46 avg rating — 39 ratings score: 172, and 2 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
58	The Far Side of Evil (Elana, #2) by Sylvia Engdahl (Goodreads Author) 3.97 avg rating — 572 ratings score: 171, and 2 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
59	But We Are Not of Earth by Jean E. Karl 4.18 avg rating — 100 ratings score: 167, and 2 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
60	Alan Mendelsohn, the Boy from Mars by Daniel Pinkwater 4.35 avg rating — 1,055 ratings score: 166, and 2 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
61	The Last Children by Gudrun Pausewang 3.92 avg rating — 1,141 ratings score: 165, and 2 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
61	Eva by Peter Dickinson 3.43 avg rating — 2,274 ratings score: 165, and 2 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
63	Moon of Three Rings (Moon Magic, #1) by Andre Norton 3.97 avg rating — 921 ratings score: 163, and 2 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
64	The Cure by Sonia Levitin 3.83 avg rating — 901 ratings score: 160, and 2 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
64	The Ear, the Eye, and the Arm by Nancy Farmer (Goodreads Author) 3.87 avg rating — 16,420 ratings score: 160, and 2 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
66	Children of Time by Deborah Moulton 3.97 avg rating — 38 ratings score: 159, and 2 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
66	Star Born (Pax/Astra, #2) by Andre Norton 3.91 avg rating — 1,728 ratings score: 159, and 2 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
68	A Rag, a Bone and a Hank of Hair by Nicholas Fisk 4.03 avg rating — 212 ratings score: 158, and 2 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
69	Journey Outside by Mary Q. Steele 3.68 avg rating — 329 ratings score: 153, and 2 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
70	Found by June Oldham 3.31 avg rating — 103 ratings score: 150, and 2 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
70	Star Dog by A.M. Lightner 4.07 avg rating — 107 ratings score: 150, and 2 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
72	Futuretrack 5 by Robert Westall 3.96 avg rating — 226 ratings score: 147, and 2 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
72	Galax-Arena by Gillian Rubinstein 3.82 avg rating — 782 ratings score: 147, and 2 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
74	Those Who Fall from the Sun by Josephine Rector Stone 3.33 avg rating — 3 ratings score: 146, and 2 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
75	Return from Witch Mountain by Alexander Key 3.79 avg rating — 615 ratings score: 143, and 2 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
76	Out There by Adrien Stoutenburg really liked it 4.00 avg rating — 11 ratings score: 142, and 2 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
77	The Other Side of the Sun by Madeleine L'Engle 3.85 avg rating — 2,278 ratings score: 140, and 2 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
78	Invitation to the Game by Monica Hughes 3.79 avg rating — 5,695 ratings score: 137, and 2 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
79	Star Man's Son, 2250 A.D by Andre Norton 4.02 avg rating — 2,650 ratings score: 133, and 2 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
80	The City Beyond the Gates by N. Roy Clifton really liked it 4.00 avg rating — 10 ratings score: 128, and 2 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
81	Outside by Andre Norton 3.83 avg rating — 105 ratings score: 127, and 2 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
82	Why Weeps the Brogan? by Hugh Scott (Author and Illustrator) 3.76 avg rating — 34 ratings score: 126, and 2 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
83	David Starr, Space Ranger (Lucky Starr, #1) by Paul French (Pseudonym) 3.71 avg rating — 3,778 ratings score: 124, and 2 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
84	The Dying Sun by Gary L. Blackwood (Goodreads Author) really liked it 4.00 avg rating — 14 ratings score: 123, and 2 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
85	Matthew Looney's Voyage to the Earth (Matthew and Maria Looney, #1) by Jerome Beatty Jr. 4.20 avg rating — 101 ratings score: 121, and 2 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
86	Tom Swift and His Flying Lab (Tom Swift Jr., #1) by Victor Appleton II 3.84 avg rating — 639 ratings score: 120, and 2 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
86	Lucky Starr and the Pirates of the Asteroids (Lucky Starr, #2) by Isaac Asimov 3.67 avg rating — 2,385 ratings score: 120, and 2 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
88	Lucky Starr and the Big Sun of Mercury (Lucky Starr, #4) by Isaac Asimov 3.67 avg rating — 2,009 ratings score: 119, and 2 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
88	Matthew Looney's Invasion of the Earth (Matthew and Maria Looney, #2) by Jerome Beatty Jr. 4.06 avg rating — 67 ratings score: 119, and 2 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
88	Lucky Starr and the Oceans of Venus (Lucky Starr, #3) by Isaac Asimov 3.67 avg rating — 1,999 ratings score: 119, and 2 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
91	The Tomorrow City by Monica Hughes 3.67 avg rating — 171 ratings score: 118, and 2 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
92	Portal to E'ewere by Irma Walker 3.93 avg rating — 14 ratings score: 117, and 2 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
93	Lucky Starr and the Moons of Jupiter (Lucky Starr, #5) by Isaac Asimov 3.73 avg rating — 1,771 ratings score: 116, and 2 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
93	The Rings of Saturn (Lucky Starr, #6) by Paul French (Pseudonym) 3.72 avg rating — 1,665 ratings score: 116, and 2 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
95	Matthew Looney and the Space Pirates (Matthew and Maria Looney, #4) by Jerome Beatty Jr. 4.16 avg rating — 45 ratings score: 115, and 2 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
96	Encounter Near Venus by Leonard Wibberley 4.19 avg rating — 26 ratings score: 114, and 2 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
97	Lizard Music by Daniel Pinkwater 4.16 avg rating — 2,249 ratings score: 111, and 2 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
98	Obernewtyn (The Obernewtyn Chronicles, #1) by Isobelle Carmody (Goodreads Author) 3.96 avg rating — 12,549 ratings score: 108, and 2 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
99	Tomorrow, When the War Began (Tomorrow, #1) by John Marsden 4.04 avg rating — 61,117 ratings score: 106, and 2 people voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
100	Star Girl by Henry Winterfeld 4.13 avg rating — 152 ratings score: 100, and 1 person voted	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars