Dwight Jon Zimmerman began his career in publishing at Marvel Comics, where he held a variety of editorial positions. In 1992, he became executive editor of Topps Comics. His first book, First Command: Paths to Leadership, was published in 2005. His other books include The Hammer and the Anvil, The Book of War, The Book of Weapons, The Vietnam War: A Graphic History, and Tecumseh: Shooting Star of the Shawnee. He has also adapted books for young readers by numerous authors including Dee Brown, James McPherson, and Bill O'Reilly.