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
1,837 books — 3,600 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
924 books — 2,380 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
4,047 books — 2,044 voters
To Kill a Mockingbird by Harper Lee1984 by George OrwellThe Great Gatsby by F. Scott FitzgeraldHarry Potter and the Sorcerer's Stone by J.K. Rowling
Best Books of the 20th Century
7,801 books — 49,782 voters

The Light in the Piazza by Elizabeth Spencer
Best Books You've Probably Never Read
618 books — 411 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
31,575 books — 120,232 voters