Jason Cooper

Presents a description of and background information about the trees that have been chosen to represent the fifty states and the District of Columbia.

This book provides a simple discussion of the causes of air movement, uses of wind power, and such phenomena as hurricanes and tornadoes.

This book provides a simple discussion of natural and man-made electricity and of how electrical power is generated and used.

This book provides a simple discussion of the sources and kinds of light, colors, and how eyes see.

Describes the physical characteristics, habitat, and behavior of the moose, the giant of the deer family.

Describes the physical characteristics, habitat, and behavior of this powerful, swift predator.

Describes the physical characteristics, habitat, and behavior of this huge marine mammal.

Examines the history, varieties, and uses of trains.

Examines the history, varieties, and uses of boats and ships.

Describes where and how North American beef cattle are raised, slaughtered, processed, and marketed.