Peter Roop is an American author who, along with his wife Connie Roop, has written numerous non-fiction and fiction books for children. The Roops often collaborate on their works, which are typically educational, covering topics like history, science, and nature. Their style is known for being accessible and engaging, aiming to spark curiosity and a love of learning in young readers. Some of their well-known series include "Keepers of the School" and "American Moments." Together, they have also written many biographies and historical books, with the intent to make the subjects come alive for children and teachers alike.