Books that question our existence (43 books)

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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 — 156,165 ratings score: 596, 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
2	The Hitchhiker's Guide to the Galaxy (Hitchhiker's Guide to the Galaxy, #1) by Douglas Adams 4.22 avg rating — 2,073,881 ratings score: 491, 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
3	Childhood's End by Arthur C. Clarke 4.12 avg rating — 178,474 ratings score: 397, 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
4	Wrong Planet - Searching for your Tribe by Karl Wiggins (Goodreads Author) 4.14 avg rating — 59 ratings score: 396, 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
5	Paradox Lost by V.R. Ling it was amazing 5.00 avg rating — 4 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
6	2001: A Space Odyssey (Space Odyssey, #1) by Arthur C. Clarke 4.18 avg rating — 343,732 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	Ascent to the Sun by Jeff Pepper (Goodreads Author) 4.33 avg rating — 18 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
8	Dark Matter by Blake Crouch (Goodreads Author) 4.13 avg rating — 806,141 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
9	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
9	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
9	Ann Marie's Asylum (Master and Apprentice, #1) by Christopher Rankin (Goodreads Author) 3.52 avg rating — 141 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	The Code Theory: Uncovering the hidden pattern of life by Justin C. Sodano (Goodreads Author) 3.11 avg rating — 9 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	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
9	The Fifth Civilization (The Fifth Civilization #1) by Peter Bingham-Pankratz (Goodreads Author) 3.76 avg rating — 29 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	The Crisis of the Modern World by René Guénon 4.07 avg rating — 2,485 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	A-Ma Alchemy of Love (AoL Mindfulness, #1) by Nataša Pantović (Goodreads Author) 4.02 avg rating — 61 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	Ashtavakra Gita: The Ultimate Solace by Harsha Yardi (Goodreads Author) 4.30 avg rating — 33 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	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
9	A Theology for the Rest of Us by Arthur Yavelberg (Goodreads Author) 4.79 avg rating — 14 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	Discovering LIFE'S PURPOSE: RE-EXAMINING THE CLUB by Del H. Smith 4.93 avg rating — 27 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	The Tesserene Imperative (Book Two of The Imperative Chronicles) by Mark Terence Chapman (Goodreads Author) 4.35 avg rating — 26 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
22	Creating Monsters by Christopher Rankin (Goodreads Author) 3.60 avg rating — 193 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
22	Revolt Against the Modern World by Julius Evola 3.98 avg rating — 2,470 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
22	Flatland: A Romance of Many Dimensions by Edwin A. Abbott 3.81 avg rating — 80,185 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
22	The Nowhere Child by Christian White 3.98 avg rating — 39,532 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
26	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
26	The Gone World by Tom Sweterlitsch 3.90 avg rating — 33,270 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
28	The Great Divorce by C.S. Lewis 4.32 avg rating — 194,526 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
28	The Hot-Wired Dodo (Wonderland Gambit, #3) by Jack L. Chalker 3.79 avg rating — 272 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
30	Existence by David Brin (Goodreads Author) 3.78 avg rating — 7,287 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
30	The Maker of Universes (World of Tiers, #1) by Philip José Farmer 3.81 avg rating — 2,215 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
32	0.4 by Mike A. Lancaster (Goodreads Author) 3.59 avg rating — 5,954 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
33	The Hunger (Hunger, #1) by Whitley Strieber (Goodreads Author) 3.75 avg rating — 3,824 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
34	The Crystal Spheres by David Brin (Goodreads Author) 3.93 avg rating — 1,070 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
35	Broken Symmetry by Dan Rix 3.86 avg rating — 1,150 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
36	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
37	Finity by John Barnes 3.38 avg rating — 364 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
38	The Lathe of Heaven by Ursula K. Le Guin 4.12 avg rating — 95,176 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
39	The Walls of the Universe (Universe, #1) by Paul Melko 3.77 avg rating — 911 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
40	Resonance by Chris Dolley (Goodreads Author) 3.80 avg rating — 330 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
41	The World of Null A by A.E. van Vogt 3.70 avg rating — 4,908 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
42	The Cybernetic Walrus (The Wonderland Gambit, #1) by Jack L. Chalker 3.77 avg rating — 374 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
43	The March Hare Network (The Wonderland Gambit, #2) by Jack L. Chalker 3.78 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