Author, Writer, Creator · 82 titles
15 titles
I Can Read With My Eyes Shut!Book· 1978Author
Halloween Is Grinch NightFilm· 1977Writer
The Cat's QuizzerBook· 1976Author
The Hoober-Bloob HighwayFilm· 1975Writer
Oh, the Thinks You Can Think!Book· 1975Author
Great Day for Up!Book· 1974Author
Wacky WednesdayBook· 1974
O LoraxFilm· 1972Writer
The LoraxBook· 1971Author