World's Hardest Puzzles
Charles Barry Townsend
Russian Winter (2010)
Kalotay, Daphne
Game Theory and Economic Analysis
[edited by] Christian Schmidt
Apocalypse End: Reign of the Dead
Len Barnhart
Reign of the Dead (2)
The Johnstown Flood
David McCullough
The American Civil War and the wars of the Industrial Revolution
Brian Holden Reid; John Keegan
John Adams