In the Peninsula Campaign of spring 1862, Union general George B. McClellan failed in his plan to capture the Confederate capital and bring a quick end to the conflict. But the campaign saw something new in the war--the participation of African Americans in ways that were critical to the Union offensive. Ultimately, that participation influenced Lincoln's decision to issue the Emancipation Proclamation at the end of that year. Glenn David Brasher's unique narrative history delves into African American involvement in this pivotal military event, demonstrating that blacks contributed essential...