$18.00 hardcover.

David's new book is If Dogs Were Dinosaurs, a sequel to the ever popular If You Hopped Like a Frog. With hilarious illustrations by the irrepressible James Warhola, If Dogs Were Dinosaurs looks at the relative sizes of things large and small, through the mathematical concept of proportion. Be prepared to be surprised!

Illustrated by James Warhola

Hardcover, ages 5-10. (Scholastic)

“Math without tears — unless you count tears of laughter... Math didn’t used to be this much fun — it’s almost unfair.”

-- Kirkus Reviews, starred review