Written by Christy Webster
Illustrator Christopher Moroney
Published 2009
Publisher Random House
Series Books for Young Readers
ISBN 0375845364

What Shape Is a Grape? is a Sesame Street book about shapes.

Elmo, Grover, Zoe and Cookie Monster have a picnic in the park, and they notice that there are shapes everywhere -- from circles, triangles and squares to octagons and rhombuses.