This book describes the need for renewable energy discussing the characteristics of solar, wind, hydropower, geothermal, and biomass energies.

Explores earthquakes, discussing what makes them occur, how they are measured, specific quakes that have made headlines, and other related topics.

A biography of the woman who founded Hull-House, one of the first settlement houses in the United States, and who later became involved in the international peace movement.

Introduces the reader to some of the dozens of species of birds that cannot fly, and animals such as bats and flying squirrels that can fly or glide.

This is a simple biography of the man who was president during the Civil War.

This book describes cargo planes, passenger planes, supersonic planes, and military planes.

This book describes big rigs, auto transporters, tank trucks, passenger buses, and tow trucks.

This book describes the characteristics of solar energy and how it will impact our future.

Diggers are so big and powerful that they can dig 20 truckloads of coal in a single scoop!

Presents an introduction to dirt bike motorcycles, in simple text with illustrations, including information on the different styles of bike, how the handle the dirt tracks, safety, and more.