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.

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

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, departing the east coast as the Santa Maria appears over the horizon.

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 book can also be read from back to front.

'An excellent introduction to number systems that is a beautiful wordless picture book as well. . . Over the course of a year (each picture represents a different month and time of day) a little town grows up with viewers witnessing the building of bridges, streets, and railroads. . . . Extraordinary lovely art work.' 'SLJ.