Square

Old Hat New Hat

Circle

I'm The Biggest Thing in the Ocean!

Patterns, Patterns Everywhere

The Impossible Crime (Mac B., Kid Spy #2)

All Year Round: A Story of the Seaons

The Skunk: A Picture Book

Homer and the Circus Train

Paolo, Emperor of Rome

George Shrinks

Tangled: A Story About Shapes

The Sound of Danger (Mac B., Kid Spy #5)

Round

Mac Undercover (Mac B., Kid Spy #1)

Happy Shapes Make the World Go 'Round! Learning About Shapes for Kids - Baby & Toddler Size & Shape Books

Twenty Questions

A Greyhound, a Groundhog