Sir Cumference, Radius, and Sir Vertex search for Edgecalibur, the sword that King Arthur has hidden in a geometric solid.

This book covers the alphabet, counting, opposites, shapes, colors, and seasons and uses bright photos of retro toys to illustrate these topics.

Rectangles are a useful shape, indeed. Stackable and sortable makes this shape easy to use. They're on the paper we write on. They're the shape of our walls. Easy text and large pictures help early readers discover that rectangles are fun!

Our world is made up of shapes. This colorful book will enable beginning readers to visualize that as they examine photographs of objects in their daily lives, such as books, clocks, and sandwiches. They'll also learn how to sort certain shapes from other shapes through clear text and supporting photographs. This valuable book is a beneficial introduction to essential concepts in the early elementary mathematics curriculum.

"Inquisitive mammoths . . . [cover] the basics of numbers, operations, geometry, measurement, and . . . more"--Provided by publisher.

Look around you! You can find circles everywhere. They are on the wheels of cars. They are on the coins in our pockets. Easy text and large pictures help early readers discover that circles are fun!

Photographs and simple text help early readers distinguish the different shapes they can find in the world around them.

The Wing Brothers have an all-new show that illustrates the basics of geometry.