¿quién Soy? / Who Am I?

Defines levers, explains their functions, and suggests simple experiments to demonstrate how they work.

Discover That There Are Over 8000 Kinds Of Ants Of Different Sizes, How They Live, Where They Live, And How They Reproduce.

Simple text and photographs introduce the animals of the Arctic, grouped to provide practice in solving easy addition problems.

The values and traditions of Mexicans at home, school, and work are explored as well as how life differs in urban and rural settings.