Allison Lassieur has written more than 100 books on many topics, including history, biography, science, and current events. She has also written fiction novels and short stories, puzzles, and activities. When she isn't busy writing, Allison enjoys knitting, spinning, and reading good novels. Allison lives in Trenton, Tennessee with her husband, daughter, and a houseful of pets. Matt Doeden is a freelance author and editor from Minnesota. He's written numerous children's books on sports, music, current events, the military, extreme survival, and much more. His books Sandy Koufax (Twenty-First Century Books, 2006) and Tom Brady: Unlikely Champion (Twenty-First Century Books, 2011) were Junior Library Guild selections. Doeden began his career as a sports writer before turning to publishing. He lives in Minnesota with his wife and two children.