Bruce Degen (born June 14, 1945) is an American illustrator and writer with over forty children's books to his credit. He may be known best for illustrating the series The Magic School Bus written by Joanna Cole. He has collaborated with writers Nancy White Carlstrom, on the Jesse Bear books, and Jane Yolen, on the Commander Toad series. Degen has authored Jamberry, Daddy Is a Doodlebug, and Shirley's Wonderful Baby.