A Spy Among Friends by Ben MacintyreGhost Wars by Steve Coll
Great Books on Espionage (nonfiction)
175 books — 35 voters
A Spy Among Friends by Ben MacintyreThe Billion Dollar Spy by David E. HoffmanThe Spy and the Traitor by Ben Macintyre
The Cold War (nonfiction)
364 books — 106 voters

Skunk Works by Ben R. Rich
A Day in the Life: Work Memoirs
820 books — 407 voters
A Spy Among Friends by Ben Macintyre
Best Espionage Books (nonfiction)
158 books — 109 voters

J.R.R. Tolkien 4-Book Boxed Set by J.R.R. TolkienA Game of Thrones by George R.R. MartinThe Way of Kings by Brandon SandersonThe Gunslinger by Stephen  King
The Best Epic Fantasy (fiction)
4,213 books — 25,808 voters
Watchmen by Alan             Moore
Best Graphic Novels
3,450 books — 6,767 voters

The Giver by Lois Lowry
Best Science Fiction & Fantasy Books
8,456 books — 24,725 voters
Harry Potter and the Sorcerer's Stone by J.K. RowlingThe Lord of the Rings by J.R.R. Tolkien
Best Fantasy Series, Trilogies, and Duologies
2,083 books — 11,740 voters

The Catcher in the Rye by J.D. SalingerLord of the Flies by William Golding
Best Books of the 20th Century
7,899 books — 49,791 voters
Harry Potter and the Deathly Hallows by J.K. RowlingThe Hunger Games by Suzanne CollinsHarry Potter and the Half-Blood Prince by J.K. RowlingHarry Potter and the Goblet of Fire by J.K. RowlingHarry Potter and the Order of the Phoenix by J.K. Rowling
Books You Could Not Put Down
11,507 books — 7,658 voters

A Short History of Nearly Everything by Bill BrysonA Brief History of Time by Stephen W. Hawking
Best Science Books - Non-Fiction Only
1,838 books — 3,601 voters
The Girl With the Dragon Tattoo by Stieg LarssonAnd Then There Were None by Agatha ChristieThe Godfather by Mario PuzoRebecca by Daphne du MaurierThe Name of the Rose by Umberto Eco
Best Crime & Mystery Books
7,318 books — 15,629 voters