Triangles

With bright illustrations and clear, kid-friendly language, this book introduces one of the most basic geometric shapes to young readers.

Formed of three sides and three angles, triangles are everywhere—especially on the pages of this book, where two kids and their robot friend assemble a brand-new bot from different types and sizes of triangles.

This title defines important geometry vocabulary in simple, accessible terms, reinforcing the text with illustrations of the different types of an...