Co-author of five books with animator Frank Thomas:
Disney Animation: The Illusion of Life (1981)
Jungle Book Portfolio (1992)
The Disney Villain (1993)
Too Funny for Words: Disney's Greatest Sight Gags (1987)
Walt Disney's Bambi: The Story and the Film (1990)
(1997) Introduction to Michael Broggie's book "Walt Disney's Railroad Story: The Small-Scale Fascination That Led to a Full-Scale Kingdom." Pasadena, California: Pentrex Media Group, ISBN 1563420066