Barnett, Mac.

Triangle / by Mac Barnett & Jon Klassen. - First edition. - 1 volume (unpaged) : color illustrations ; 23 cm

After Triangle plays a trick on Square, Square plans to reciprocate but runs into trouble when he tries to enter the triangular doorway of Triangle's home.

ISBN: 9780763696030 (hardcover)

Subjects--Topical Terms:
Shape
Picture books for children.