4 books in series

Witness to History

Witness to History is a 3-book series with 4 primary works first released in 2010 with contributions by Tim Lehman, William Thomas Allison, John C. McManus, and Terri Diane Halperin.

Bloodshed at Little Bighorn : Sitting Bull, Custer, and the destinies of nations
The Alien and Sedition Acts of 1798: Testing the Constitution
My Lai: An American Atrocity in the Vietnam War
Hell Before Their Very Eyes: American Soldiers Liberate Concentration Camps in Germany, April 1945