The Rise and Fall of the Third Reich by William L. ShirerUnbroken by Laura HillenbrandThe Guns of August by Barbara W. TuchmanThe Devil in the White City by Erik LarsonBand of Brothers by Stephen E. Ambrose
Best History Books
3,675 books — 3,703 voters
SPQR by Mary BeardGuns, Germs, and Steel by Jared DiamondThe History of the Ancient World by Susan Wise Bauer
Best Books About Ancient History
450 books — 134 voters

Into the Wild by Jon KrakauerA Walk in the Woods by Bill BrysonWild by Cheryl Strayed
Ultimate Backpacking Novels
469 books — 1,133 voters
The Immortal Life of Henrietta Lacks by Rebecca SklootThe Greatest Show on Earth by Richard Dawkins
Best Science Books - Non-Fiction Only
1,833 books — 3,591 voters

On Basilisk Station by David WeberOld Man's War by John ScalziRedshirts by John Scalzi
Space Opera Fans Favorites
298 books — 149 voters
We Are Legion (We Are Bob) by Dennis E. TaylorOff Armageddon Reef by David WeberFuries of Calderon by Jim  Butcher
Empire building, conquering & ruling
194 books — 265 voters

A Game of Thrones by George R.R. MartinReady Player One by Ernest ClineThe Name of the Wind by Patrick RothfussThe Art of Fielding by Chad HarbachThe Count of Monte Cristo by Alexandre Dumas
Top 10 for the Reading Challengers
5,854 books — 4,170 voters

Ender’s Game by Orson Scott CardStarship Troopers by Robert A. HeinleinOn Basilisk Station by David WeberOff Armageddon Reef by David Weber
Military Science Fiction
833 books — 1,132 voters