This book is about number combinations and probability.

It's almost time for the show to begin -- but where are all the lizards? As a frantic snake looks high and low for the performers, they start to arrive, first b

How do people measure weight, volume, length, or height? Read this book to find out.

One䓷oThree䒡ssafras! (LEVEL 1: Number Order) It′s the Lumpkin family reunion, and Uncle Howie is ready with his camera. All the cousins have to line up by

It's hard work, taking care of 5 little ducks. But when each little duck comes home with a friend -- oh, no! Now it's double the ducks and double the work. How