Abraham Lincoln: A Life, Volume 2
Michael Burlingame
Working Minds: A Practitioner's Guide to Cognitive Task Analysis
Beth Crandall & Gary A. Klein & Robert R. Hoffman
Skywalker: Close Encounters on the Appalachian Trail
Bill Walker
Practical Hive: A Guide to Hadoop's Data Warehouse System
Ankur Gupta
Katherine's Prophecy
Scott Wittenburg