George Sullivan writes books of fact, history, and biography for children and young adults. He has more than one hundred titles to his credit. They cover a wide range of topics, from auto racing to hydroponics, from the Civil War to civil engineering.  Publishers Weekly said that Sullivan “has mastered the art of writing simply and directly, making complex subjects understandable and interesting.” Photography and photographers have been topics of his recent books. His interest in photography goes beyond just writing about it. He sometimes takes the photos that are used to illustrate his work. George Sullivan lives in New York City with his wife. He is a member of of PEN, the Authors Guild, and the Society of Writers and Illustrators of Children's Book.