and steven barnes, author of "depth and redemption: the gulag and shaping of modern society." all of the interview there is the george mason college series are available online at booktv.org. >> this is booktv on c-span2, and we're on the campus of george mason university in fairfax, virginia, doing our university professors series where we have the chance to talk to professors from different universities about the books they've published. maybe you haven't heard of them, maybe they're not going on tour. we get a chance to talk with them. now joining us is professor christopher hamner, history professor here at george mason. and his newest book is called "enduring battle: american soldiers in three wars, 1776-1945." professor hamner, what three wars did you choose and why? >> guest: the book looks at the experience of american history soldiers in the war for independence, the civil war and the second world war. and i picked those three because i wanted to survey broadly the experience of soldiers fighting in three different centuries. so what was similar about their experience