Square

Old Hat New Hat

Triangle

Tangled: A Story About Shapes

I'm The Biggest Thing in the Ocean!

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

Round

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

Where Is That Shape?

Paolo, Emperor of Rome

A Greyhound, a Groundhog

Patterns, Patterns Everywhere

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

All Year Round: A Story of the Seaons

Telephone

Homer and the Circus Train

Twenty Questions

George Shrinks