The Restaurant at the End of the Universe by Douglas Adams
Funniest Novels of All Time
1,419 books — 2,337 voters

The Hobbit, or There and Back Again by J.R.R. TolkienAnimal Farm by George OrwellThe Great Gatsby by F. Scott FitzgeraldThe Da Vinci Code by Dan    BrownAngels & Demons by Dan    Brown
One Million Ratings!
230 books — 1,064 voters

A Night in the Lonesome October by Roger Zelazny
Classic Science Fiction - 1990-1999
326 books — 184 voters
The Hitchhiker’s Guide to the Galaxy by Douglas AdamsNine Princes in Amber by Roger ZelaznyTime Enough for Love by Robert A. Heinlein
Classic Science Fiction - 1970-1979
274 books — 248 voters

Methuselah's Children by Robert A. HeinleinHave Space Suit—Will Travel by Robert A. HeinleinStarman Jones by Robert A. Heinlein
Classic Science Fiction - 1950-1959
275 books — 272 voters
The Hitchhiker’s Guide to the Galaxy by Douglas AdamsThe Da Vinci Code by Dan    BrownJ.R.R. Tolkien 4-Book Boxed Set by J.R.R. TolkienThe Compleat Works of Wllm Shkspr by Reduced Shakespeare CompanyAmerican Gods by Neil Gaiman
Best Books Ever
76,559 books — 284,808 voters

A Brief History of Time by Stephen W. HawkingThe Grand Design by Stephen W. Hawking
Scientific Readings for Everyone
150 books — 72 voters
The Andromeda Strain by Michael CrichtonThe Hunt for Red October by Tom ClancyTimeline by Michael CrichtonDeception Point by Dan    BrownRed Storm Rising by Tom Clancy
Best Technothrillers Ever
683 books — 1,002 voters

The Autobiography of Benjamin Franklin by Benjamin FranklinGuns, Germs, and Steel by Jared DiamondThe God Delusion by Richard Dawkins
favorite non-fiction
2,801 books — 1,172 voters
The Great Gatsby by F. Scott FitzgeraldAnimal Farm by George OrwellCatch-22 by Joseph HellerThe Old Man and the Sea by Ernest HemingwaySlaughterhouse-Five by Kurt Vonnegut Jr.
Must Read Classics
1,862 books — 4,658 voters

Harry Potter and the Sorcerer's Stone by J.K. RowlingThe Lord of the Rings by J.R.R. TolkienThe Riftwar Saga by Raymond E. FeistA Spell for Chameleon by Piers AnthonyMagic Kingdom for Sale/Sold by Terry Brooks
Best Fantasy Series, Trilogies, and Duologies
2,083 books — 11,740 voters
The Ultimate Hitchhiker’s Guide to the Galaxy by Douglas AdamsThe Past Through Tomorrow by Robert A. HeinleinThe Stainless Steel Rat by Harry Harrison
Best Science Fiction Series
414 books — 1,094 voters

Harry Potter and the Sorcerer's Stone by J.K. RowlingEnder’s Game by Orson Scott CardCatch-22 by Joseph HellerThe Da Vinci Code by Dan    BrownThe Complete Works of Shakespeare [38 plays, 4 poems, sonnets] by William Shakespeare
Best 10 Books That You've Read
823 books — 470 voters
A Fine and Pleasant Misery by Patrick F. McManusThey Shoot Canoes, Don't They? by Patrick F. McManusThe Phantom Tollbooth by Norton JusterRubber Legs And White Tail-hairs by Patrick F. McManus
Best Humorous Books
4,339 books — 7,945 voters

Harry Potter and the Sorcerer's Stone by J.K. RowlingThe Great Gatsby by F. Scott FitzgeraldAnimal Farm by George OrwellHamlet by William ShakespeareThe Hobbit, or There and Back Again by J.R.R. Tolkien
I'm glad someone made me read this book
10,794 books — 10,437 voters
Artemis Fowl by Eoin Colfer
Disappointing Books
2,732 books — 4,602 voters

Red Storm Rising by Tom ClancyThe Hunt for Red October by Tom ClancyFrom Russia with Love by Ian FlemingShibumi by Trevanian
Best Spy Novels
1,306 books — 2,264 voters
Animal Farm by George OrwellTo Kill a Mockingbird by Harper LeeThe Hobbit, or There and Back Again by J.R.R. TolkienThe Great Gatsby by F. Scott FitzgeraldThe Lord of the Rings by J.R.R. Tolkien
Books That Everyone Should Read At Least Once
31,692 books — 120,645 voters

The Illustrated A Brief History of Time/The Universe in a Nut... by Stephen W. HawkingHen's Teeth and Horse's Toes by Stephen Jay GouldBlack Holes and Baby Universes and Other Essays by Stephen W. HawkingA Brief History of Time by Stephen W. HawkingCosmos by Carl Sagan
Best Science Books - Non-Fiction Only
1,838 books — 3,601 voters