Rectangles

Wing on a Flea a Book About Shapes

Ed Emberley

Shapes: Triangles (Concepts)

Esther Sarfatti

Building Washington, D.C: Measuring the Area of Rectangular Spaces (Powermath)

Barbara M. Linde

The rectangle

Howard Goldsmith

Two short, two long: a book about rectangles

by Christianne C. Jones ; illustrated by Ronnie Rooney.

A square? a rectangle!

Holly Karapetkova and J. Jean Robertson.

Green Lizards vs Red Rectangles: A Story about War and Peace

Steve Antony

Rectangles (Shapes) (Shapes)

Pamela Hall

Rectangles (Read and Learn: Finding Shapes)

Diyan Leake

Lü xi yi he hong fang kuai

wen tu Shidifu Andongni ; fan yi Liu Qingyan