Concise, whimsical text and simple, vibrant illustrations introduce young children to straight li...

Square Bear, Triangle Prince, Rectangle Horse, and the beautiful Polygon Princess find their fair...

In this delightful fairytale of shapes in a plane, Square Bear meets a clever dog made entirely o...

That's Not a Beagle

Math concepts from the Common Core Standards are addressed in playful, easy-to-remember rhymes.

Empress Adelaide glides through the hours of a school day, meeting with friends, dining with stuf...

A Tangram ABC: Shaping the Alphabet from an Ancient Chinese Puzzle

The Pe'lerin of the Orb

A dictionary of mathematics terms and concepts for grades K-8 that covers all common core standar...

A fairytale of numbers and comparison in rhyme. Young King Sidney will only eat 6 of anything, po...

A resource of mathematics activities which cover every mathematics common core state standard fro...

The Knight of the Orb: A Legend and a Myth