I'm having the time of my life writing for children and teenagers, from goofy picture books to painstakingly researched nonfiction. Here, you can read more about me, my books, and my in-person visits with young readers.
Illustrated by Tony Persiani
A 2010 Sibert Honor Book
Illustrated by Tom Lichtenheld
A New York Times Best-Seller
Want to win a free copy of The Day-Glo Brothers or Shark Vs. Train? Sign up for my Bartography Express newsletter.