Best Alien Sci-Fi (33 books)

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List of books with the most interesting aliens, alien cultures, MC, tech, villains, sidekicks, pets, science. Please no fantasy or romance.

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1	STORIES OF FIRST CONTACT: Humanity’s Encounters with Alien Intelligence by Siniša Komlen (Goodreads Author) 4.82 avg rating — 11 ratings score: 698, and 7 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 WONDROUS WORLDS OF THE EXOPLANETS by Siniša Komlen (Goodreads Author) 4.47 avg rating — 17 ratings score: 695, and 7 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	Paradox Lost by V.R. Ling it was amazing 5.00 avg rating — 5 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
4	Rendezvous with Rama (Rama, #1) by Arthur C. Clarke 4.12 avg rating — 191,445 ratings score: 193, 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
4	Star Wars: Heir to the Empire (Thrawn Trilogy, #1) by Timothy Zahn (Goodreads Author) 4.18 avg rating — 107,553 ratings score: 193, 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
6	The Gods Themselves by Isaac Asimov 4.08 avg rating — 70,974 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
7	Arrival by Ted Chiang 4.25 avg rating — 133,675 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
8	Contact by Carl Sagan 4.15 avg rating — 156,775 ratings score: 188, 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
9	The Mote in God's Eye (Moties, #1) by Larry Niven 4.07 avg rating — 74,133 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
9	Greegs & Ladders by Zack Mitchell 3.11 avg rating — 286 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
11	We Are Legion (We Are Bob) (Bobiverse, #1) by Dennis E. Taylor (Goodreads Author) 4.23 avg rating — 147,977 ratings score: 99, 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
11	The Invisible Dimension: Book 2 In The Greegs Universe by Zack Mitchell 4.43 avg rating — 7 ratings score: 99, 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
13	The Gripping Hand (Moties, #2) by Larry Niven 3.84 avg rating — 12,773 ratings score: 98, 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
13	The Eye of the Bedlam Bride (Dungeon Crawler Carl, #6) by Matt Dinniman (Goodreads Author) 4.63 avg rating — 223,412 ratings score: 98, 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
15	Fear the Sky (The Fear Saga, #1) by Stephen Moss (Goodreads Author) 4.07 avg rating — 7,792 ratings score: 97, 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
16	Dragon's Egg (Cheela, #1) by Robert L. Forward 4.12 avg rating — 10,341 ratings score: 95, 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
17	Live Free or Die (Troy Rising, #1) by John Ringo 4.17 avg rating — 9,716 ratings score: 94, 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
18	Old Man's War (Old Man's War, #1) by John Scalzi (Goodreads Author) 4.23 avg rating — 235,458 ratings score: 91, 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
19	The Three-Body Problem (Remembrance of Earth’s Past, #1) by Liu Cixin (Goodreads Author) 4.08 avg rating — 542,431 ratings score: 88, 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
20	Project Hail Mary by Andy Weir (Goodreads Author) 4.51 avg rating — 1,911,031 ratings score: 87, 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
21	Columbus Day (Expeditionary Force, #1) by Craig Alanson (Goodreads Author) 4.25 avg rating — 36,391 ratings score: 86, 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
22	The Bobiverse by Dennis E. Taylor (Goodreads Author) 4.73 avg rating — 1,823 ratings score: 85, 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
23	For We Are Many (Bobiverse, #2) by Dennis E. Taylor (Goodreads Author) 4.36 avg rating — 84,551 ratings score: 84, 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
24	A Fire Upon the Deep (Zones of Thought, #1) by Vernor Vinge 4.13 avg rating — 68,861 ratings score: 83, 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
25	A Hymn Before Battle (Posleen War, #1) by John Ringo 4.03 avg rating — 13,979 ratings score: 82, 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
26	Hyperion (Hyperion Cantos, #1) by Dan Simmons 4.28 avg rating — 321,525 ratings score: 81, 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
27	Dungeon Crawler Carl (Dungeon Crawler Carl, #1) by Matt Dinniman (Goodreads Author) 4.42 avg rating — 683,292 ratings score: 80, 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
28	Childhood’s End by Arthur C. Clarke 4.12 avg rating — 179,390 ratings score: 79, 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
29	The Long Way to a Small, Angry Planet (Wayfarers, #1) by Becky Chambers (Goodreads Author) 4.16 avg rating — 199,116 ratings score: 78, 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
30	Embassytown by China Miéville (Goodreads Author) 3.90 avg rating — 35,842 ratings score: 77, 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
31	The Forever War (The Forever War, #1) by Joe Haldeman 4.14 avg rating — 185,940 ratings score: 76, 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
32	The 5th Wave (The 5th Wave, #1) by Rick Yancey really liked it 4.00 avg rating — 486,240 ratings score: 75, 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
33	Little Fuzzy (Fuzzy Sapiens, #1) by H. Beam Piper 4.04 avg rating — 11,060 ratings score: 74, 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