Books that question our existence (38 books)

Some books achieve a classical reverance that endures over many years because they challenge commonly held conceptions on a scientific, spiritual, or metaphysical basis.

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1	Contact by Carl Sagan 4.15 avg rating — 151,940 ratings score: 497, 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
2	The Hitchhiker’s Guide to the Galaxy (Hitchhiker's Guide to the Galaxy, #1) by Douglas Adams 4.22 avg rating — 2,003,575 ratings score: 393, 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
3	Childhood's End by Arthur C. Clarke 4.12 avg rating — 172,750 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
3	Wrong Planet - Searching for your Tribe by Karl Wiggins (Goodreads Author) 4.14 avg rating — 58 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
5	2001: A Space Odyssey (Space Odyssey, #1) by Arthur C. Clarke 4.18 avg rating — 334,863 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
6	Dark Matter by Blake Crouch (Goodreads Author) 4.13 avg rating — 706,880 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
7	Parley After Life - DIY Guide to Death and other Taxes by Robby Miller (Goodreads Author) 3.35 avg rating — 17 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
7	Art in the Dark and Other Tales by Robert Eichelberg (Goodreads Author) 4.30 avg rating — 10 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
7	Ann Marie's Asylum (Master and Apprentice, #1) by Christopher Rankin (Goodreads Author) 3.48 avg rating — 136 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
7	The Code Theory: Uncovering the hidden pattern of life by Justin C. Sodano (Goodreads Author) 3.12 avg rating — 8 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
7	The Truth of All that Is: The Angel book to Enlightenment and Personal Transformation by Amelia Bert (Goodreads Author) 4.45 avg rating — 97 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
7	The Fifth Civilization (The Fifth Civilization #1) by Peter Bingham-Pankratz (Goodreads Author) 3.73 avg rating — 30 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
7	The Crisis of the Modern World by René Guénon 4.09 avg rating — 2,256 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
7	A-Ma Alchemy of Love (AoL Mindfulness, #1) by Nataša Pantović (Goodreads Author) 4.02 avg rating — 60 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
7	Ashtavakra Gita: The Ultimate Solace by Harsha Yardi (Goodreads Author) 4.34 avg rating — 32 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
7	The Starseed by Julien Mbayi it was amazing 5.00 avg rating — 3 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
7	A Theology for the Rest of Us by Arthur Yavelberg (Goodreads Author) 4.89 avg rating — 19 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
18	Creating Monsters by Christopher Rankin (Goodreads Author) 3.60 avg rating — 188 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
18	Revolt Against the Modern World by Julius Evola 3.99 avg rating — 2,299 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
18	Flatland: A Romance of Many Dimensions by Edwin A. Abbott 3.81 avg rating — 77,106 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
21	Eden M51 by G.R. Paskoff (Goodreads Author) 3.76 avg rating — 83 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
21	The Gone World by Tom Sweterlitsch 3.91 avg rating — 27,798 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
23	The Great Divorce by C.S. Lewis 4.32 avg rating — 180,986 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
23	The Hot-Wired Dodo (Wonderland Gambit, #3) by Jack L. Chalker 3.79 avg rating — 271 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
25	Existence by David Brin (Goodreads Author) 3.78 avg rating — 7,132 ratings score: 96, 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	The Maker of Universes (World of Tiers, #1) by Philip José Farmer 3.81 avg rating — 2,157 ratings score: 96, 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	0.4 by Mike A. Lancaster (Goodreads Author) 3.59 avg rating — 5,944 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
28	The Hunger (Hunger, #1) by Whitley Strieber (Goodreads Author) 3.76 avg rating — 3,761 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
29	The Crystal Spheres by David Brin (Goodreads Author) 3.93 avg rating — 1,057 ratings score: 93, 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	Broken Symmetry by Dan Rix 3.86 avg rating — 1,149 ratings score: 92, 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	Here, There, and Everywhere by Chris Roberson (Goodreads Author) 3.59 avg rating — 140 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
32	Finity by John Barnes 3.38 avg rating — 356 ratings score: 89, 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	The Lathe of Heaven by Ursula K. Le Guin 4.13 avg rating — 87,409 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
34	The Walls of the Universe (Universe, #1) by Paul Melko 3.77 avg rating — 909 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
35	Resonance by Chris Dolley (Goodreads Author) 3.79 avg rating — 328 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
36	The World of Null A by A.E. van Vogt 3.70 avg rating — 4,824 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
37	The Cybernetic Walrus (The Wonderland Gambit, #1) by Jack L. Chalker 3.77 avg rating — 372 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
38	The March Hare Network (The Wonderland Gambit, #2) by Jack L. Chalker 3.77 avg rating — 290 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