The 7 Habits of Highly Effective People by Stephen R. CoveyHow to Win Friends & Influence People by Dale CarnegieThe Secret by Rhonda ByrneThink and Grow Rich by Napoleon HillThe Purpose Driven Life by Rick Warren
Best Self Help Books
2,338 books — 2,443 voters
John Adams by David McCulloughThe Rise and Fall of the Third Reich by William L. Shirer1776 by David McCulloughThe Guns of August by Barbara W. TuchmanTeam of Rivals by Doris Kearns Goodwin
Best History Books
3,949 books — 4,188 voters

Tinker, Tailor, Soldier, Spy by John le CarréThe Spy Who Came In from the Cold by John le CarréThe Bourne Identity by Robert LudlumThe Day of the Jackal by Frederick ForsythThe Hunt for Red October by Tom Clancy
Best Spy Novels
1,417 books — 2,505 voters
The Girl With the Dragon Tattoo by Stieg LarssonGone Girl by Gillian FlynnThe Girl Who Played with Fire by Stieg LarssonA Story of Yesterday by Sergio CoboThe Da Vinci Code by Dan    Brown
Thrillers You Must Read!
5,283 books — 7,787 voters

Watchmen by Alan MooreThe Complete Maus by Art SpiegelmanV for Vendetta by Alan MooreThe Complete Persepolis by Marjane SatrapiThe Sandman, Vol. 1 by Neil Gaiman
Best Graphic Novels
3,457 books — 6,780 voters
The Devil in the White City by Erik LarsonFreakonomics by Steven D. LevittA Short History of Nearly Everything by Bill BrysonGuns, Germs, and Steel by Jared DiamondOutliers by Malcolm Gladwell
Best Non-Fiction (no biographies)
6,264 books — 8,157 voters

The Hitchhiker’s Guide to the Galaxy by Douglas AdamsGood Omens by Terry PratchettLamb by Christopher MooreThe Princess Bride by William GoldmanMe Talk Pretty One Day by David Sedaris
Best Humorous Books
4,423 books — 8,101 voters
Memoirs of a Geisha by Arthur GoldenGone with the Wind by Margaret MitchellThe Pillars of the Earth by Ken FollettThe Book Thief by Markus ZusakThe Other Boleyn Girl by Philippa Gregory
Best Historical Fiction
7,921 books — 26,352 voters

The Girl With the Dragon Tattoo by Stieg LarssonAnd Then There Were None by Agatha ChristieAngels & Demons by Dan    BrownRebecca by Daphne du MaurierA Story of Yesterday by Sergio Cobo
Best Crime & Mystery Books
7,461 books — 16,251 voters
To Kill a Mockingbird by Harper Lee1984 by George OrwellHarry Potter and the Philosopher's Stone by J.K. RowlingThe Great Gatsby by F. Scott FitzgeraldAnimal Farm by George Orwell
Best Books of the 20th Century
7,878 books — 49,830 voters

To Kill a Mockingbird by Harper LeePride and Prejudice by Jane AustenThe Diary of a Young Girl by Anne Frank1984 by George OrwellAnimal Farm by George Orwell
Books That Everyone Should Read At Least Once
32,569 books — 124,011 voters
A Short History of Nearly Everything by Bill BrysonA Brief History of Time by Stephen W. HawkingCosmos by Carl SaganThe Selfish Gene by Richard DawkinsGuns, Germs, and Steel by Jared Diamond
Best Science Books - Non-Fiction Only
1,930 books — 3,629 voters