Mary Surratt was an American boarding house owner in Washington, D.C., who was convicted of taking part in the conspiracy which led to the assassination of U.S. President Abraham Lincoln in 1865. Despite maintaining her innocence and the fact that the case made against her was arguably weak, she became the first woman to be executed by the U.S. federal government. The book presents a detailed exploration of this famously controversial case that will appeal to those with interest in American history.