Solaris by Stanisław LemLabyrinths by Jorge Luis BorgesUbik by Philip K. DickThe Man in the High Castle by Philip K. DickA Canticle for Leibowitz by Walter M. Miller Jr.
Philosophical Science Fiction
417 books — 386 voters
Fragments by AndreasRork by AndreasCromwell Stone by AndreasLe Grand Pouvoir du Chninkel by Jean Van HammeLogicomix by Apostolos Doxiadis
Best European Graphic Novels/Comics
870 books — 326 voters

Solaris by Stanisław LemBlindsight by Peter WattsThe Invincible by Stanisław LemRendezvous with Rama by Arthur C. Clarke
Best Aliens
421 books — 324 voters
The Cyberiad by Stanisław LemSolaris by Stanisław LemHis Master's Voice by Stanisław LemThe Futurological Congress by Stanisław LemRoadside Picnic by Arkady Strugatsky
Best European Science Fiction Books
255 books — 205 voters

Ubik by Philip K. DickThe Three Stigmata of Palmer Eldritch by Philip K. DickThe Man in the High Castle by Philip K. DickThe Divine Invasion by Philip K. DickThe Transmigration of Timothy Archer by Philip K. Dick
Best of Philip K. Dick
87 books — 406 voters
The Manuscript Found in Saragossa by Jan PotockiGniazdo światów by Marek S. Huberath
Books within Books
78 books — 70 voters

Ficciones by Jorge Luis BorgesShadow & Claw by Gene WolfeViriconium by M. John HarrisonCity of Saints and Madmen by Jeff VanderMeer
Highbrow Fantasy Books
417 books — 622 voters
2001 by Arthur C. ClarkeThe Shining by Stephen        KingDifferent Seasons by Stephen        KingDo Androids Dream of Electric Sheep? by Philip K. Dick
The MOVIE was BETTER than the BOOK
1,132 books — 10,106 voters

Imaginary Magnitude by Stanisław LemA Perfect Vacuum by Stanisław LemFicciones by Jorge Luis Borges
Oulipo,etc.
254 books — 249 voters
The Shadow of the Sun by Ryszard KapuścińskiHeart of Darkness by Joseph ConradThe Stranger by Albert Camus
Africa (fiction and nonfiction)
1,747 books — 1,618 voters

A Perfect Vacuum by Stanisław LemImaginary Magnitude by Stanisław Lem
Fictional Nonfiction
82 books — 62 voters
The Cyberiad by Stanisław LemThe Star Diaries by Stanisław LemSolaris by Stanisław Lem
Best Philosophical Literature
1,147 books — 2,741 voters

The Cyberiad by Stanisław LemThe Star Diaries by Stanisław LemSolaris by Stanisław LemHis Master's Voice by Stanisław LemThe Futurological Congress by Stanisław Lem
Golden Age & New Wave SF
269 books — 206 voters
His Master's Voice by Stanisław Lem
Most Under-rated Science Fiction
2,044 books — 2,053 voters

1984 by George OrwellLast and First Men by Olaf StapledonStar Maker by Olaf StapledonOdd John by Olaf StapledonAt the Mountains of Madness by H.P. Lovecraft
Best Classic SF Novels (1930-1950)
63 books — 90 voters
Golem XIV by Stanisław LemDo Androids Dream of Electric Sheep? by Philip K. Dick
Best Books on Artificial Intelligence
402 books — 645 voters

The Hobbit, or There and Back Again by J.R.R. TolkienThe Once and Future King by T.H. WhiteAlice’s Adventures in Wonderland / Through the Looking-Glass by Lewis Carroll
Fantasy Classics
298 books — 574 voters
Catch-22 by Joseph HellerFerdydurke by Witold GombrowiczThe Cyberiad by Stanisław LemHeart of Darkness by Joseph Conrad
Books That Everyone Should Read At Least Once
31,309 books — 118,919 voters

The Cyberiad by Stanisław LemThe Star Diaries by Stanisław LemThe Futurological Congress by Stanisław LemPeace on Earth by Stanisław LemThe Hitchhiker’s Guide to the Galaxy by Douglas Adams
Best Comedic Science Ficttion Books
606 books — 1,186 voters
The Cyberiad by Stanisław LemSolaris by Stanisław LemHis Master's Voice by Stanisław LemThe Star Diaries by Stanisław Lem1984 by George Orwell
Best Science Fiction & Fantasy Books
8,281 books — 24,515 voters

The Cyberiad by Stanisław LemThe Star Diaries by Stanisław LemSolaris by Stanisław LemHis Master's Voice by Stanisław LemThe Futurological Congress by Stanisław Lem
Best Polish Books
574 books — 551 voters