Since dedicating himself to writing for children, Bill has worked for Disney Press, Studio Fun, Dreamworks, Pixar, Parragon, Random House and other major publishers.

In addition to books, Bill has written over two dozen apps for Disney and has a firm grip on the special needs and challenges of scripting to this format.

He also co-authored Goners, a hilarious 10-book middle-grade sci-fi series. Bill's earlier years were spent at Disney Educational Productions where he produced many award-winning videos and DVDs.

Catherine Hapka has published more than two hundred books for kids in all age groups from board books to young adult novels.

When she's not writing, Cathy enjoys horseback riding, animals of all kinds, reading, gardening, music, and travel.