A Short History of Nearly Everything by Bill BrysonCosmos by Carl SaganThe Demon-Haunted World by Carl SaganThe Hot Zone by Richard   Preston
Best Science Books - Non-Fiction Only
1,952 books — 3,634 voters
To Kill a Mockingbird by Harper LeeHarry Potter and the Sorcerer's Stone by J.K. Rowling1984 by George OrwellAnimal Farm by George OrwellFahrenheit 451 by Ray Bradbury
Best Banned, Censored, and Challenged Books
927 books — 2,391 voters

Freakonomics by Steven D. LevittA Short History of Nearly Everything by Bill BrysonBlink by Malcolm GladwellMistakes Were Made (But Not by Me) by Carol TavrisThe Immortal Life of Henrietta Lacks by Rebecca Skloot
Interesting and Readable Nonfiction
4,564 books — 3,263 voters
To Kill a Mockingbird by Harper Lee1984 by George OrwellThe Great Gatsby by F. Scott FitzgeraldHarry Potter and the Philosopher's Stone by J.K. Rowling
Best Books of the 20th Century
7,817 books — 49,849 voters

The Light in the Piazza by Elizabeth Spencer
Best Books You've Probably Never Read
641 books — 507 voters
To Kill a Mockingbird by Harper LeeThe Diary of a Young Girl by Anne FrankPride and Prejudice by Jane AustenThe Little Prince by Antoine de Saint-Exupéry
Books That Everyone Should Read At Least Once
32,839 books — 124,595 voters