Monster goes through all the unusual things he has in his room, counting them from one to twenty.

Introduces more than and less than as two monsters compare numbers at the monster fair.

This book is a unique teaching tool that takes math lovers on a journey designed to motivate kids (and kids at heart) to learn the fun of factoring and prime nu

This monster is finding shapes at the beach. Look, and you will see each: squares, circles, rectangles, ovals, triangles, and stars. Shapes are everywhere, they

Learn to count with the monster.