Simple text and pictures introduce the mathematical concept of factorials.

For use in schools and libraries only. Simple text and pictures introduce the mathematical concept of factorials.

A simple text and colorful illustrations introduces factorials in such a way that children new to multiplication can grasp and use the concept.

In wordless panoramas a lone traveler approaches the New World from the West in the present day and journeys the width of the country backward through time, dep

One by one, ten children move from their old house into their new house with all their possessions. Die-cut windows reveal the interiors of the houses and the b