Joanna Cole is the author of the popular Magic School Bus series, I'm a Big Brother, I'm a Big Sister, and many other award-winning books. In Asking About Sex & Growing Up, she provides a reassuring blend of practical guidance and scientific fact for the audience that needs it most.

Bruce Degen is the bestselling author and illustrator of the beloved, perennial favorite Jamberry and numerous award-winning books for children. He is the author and illustrator of Daddy Is a Doodlebug and Sailaway Home as well as the illustrator of the highly acclaimed Magic School Bus series by Joanna Cole; the ever-popular Jesse Bear books by Nancy White Carlstrom; Jazzmatazz! by Stephanie Calmenson; and Shirley's Wonderful Baby by Valiska Gregory (available at your local library).

Bruce Degen's involvement with art has ranged from painting and printmaking to teaching art in New York City schools and directing an artists' lithography studio in Israel. Mr. Degen studied art at the Cooper Union and Pratt Institute. He was born in Brooklyn, New York just like Charlie Muttnik and now lives with his family in Connecticut.