Robert E. Lee is regarded as a brilliant military commander and also for his inspiring achievements on behalf of the new nation in the five years after the Civil War. Robert E. Lee: A Reference Guide
Leonardo da Vinci: A Reference Guide to His Life and Works covers his life and work, beginning with his paintings, including several he never completed, that form the core of his artistic oeuvre. The
Charles Darwin: A Reference Guide to His Life and Works summarizes the life of Charles Darwin who is best known for his theory of evolution. He was a naturalist, a geologist, and a biologist and is on