TheCelebrityCafe.com: Interview on the author's work and life.

(Official site) Information on the German author's books.

(Official site) Includes the author's/illustrator's biography, book information, and reviews. [Flash]

(Official site) Features excerpts, quizzes and games, contest, and author/illustrator's biography and portfolio.

Author of "Goof And Other Stories". Features excerpts, public reading schedule, a biography, and shop.

(Official site) Includes information about the author and his school visits, book reviews, school poems and news.