When it is time to play, Dot and Dash look everywhere for their friend Tiny, but they cannot find him, although they find lots of other friends along the way.

Dot and Dash are ready to play. They have their bouncy red ball and their friends Big and Tall ... but wait ... where is Small? Little ones will love to peek be

Dot and Dash are back for even more in this interactive books for preschoolers! Dot and Dash are ready to play with their toys-but they don't want to share with

Dash and Dot are a pair of robots that you can program using a tablet or smartphone. With this book, students learn the art of innovation through detailed expla

This book is about how electricity has profoundly changed the way we live, work, and play. Some twenty topics are covered, with an abundance of graphs and image