Andrea Zimmerman and David Clemesha are married and have created several children's books together, including Digger Man, Fire Engine Man, and Trashy Town, an ALA Notable Book.
Zimmerman was born in Ohio and grew up in New York, Utah and California. When she was young, she loved exploring nature, reading comic books, and riding her horse. She studied fine arts for children in college, then later went back to school at UCLA and became a dentist. Zimmerman and Clemesha live in San Diego, California, with their three sons.