Simple text and photographs examine different types of stars.

This book uses photographs of everyday objects, including clocks and houses, to teach readers to recognize different shapes.

A missing piece, looking for someone to carry it along, finally develops its own momentum.

Dissatisfied with its shape, a triangle keeps asking the local shapeshifter to add more lines and angles until it doesn't know which side is up.

The award-winning author/illustrator of the Heads and Tails series introduces readers to a multi-tiered new "concept book about shape and color sorting and object identification. With fresh and appealing illustrations and a striking design, this is a concept book with longevity." --

Rhyming text and colorful illustrations introduce pyramids.

Photographs and simple text explain how various shapes and patterns can be found all around in nature.

A boy discovers he is shrinking but does not know the cause or cure.

Circle dogs live in a square house with a square yard and spend a busy day eating circle snacks, digging circle holes, and sleeping.