Dr. Jen Green is a writer and editor specializing in geography, history, nature, and the environment. She has written over 250 books for children and adults. Mark Ruffle was born near Bristol. He graduated from the University of the West of England with a degree in Graphic Design in 1995. After leaving college Mark worked as a visualiser, then in 1997 started working for Oxford University Press as an Art Buyer. Mark has been freelance since 2000 and has enjoyed working for a wide variety of clients. Galia Bernstein was born and raised in Israel until she moved to New York to study design.

She worked as a textile print artist and later as a senior designer and then art director. Based in Brooklyn, she is now a freelance illustrator.