Green, Jen

Presents an introduction to the physical characteristics, behavior and habitats of sea lions.

Presents an introduction to the physical characteristics, behavior and habitats of moths.

Presents an introduction to the physical characteristics, behavior and habitats of porcupines.

Presents an introduction to the physical characteristics, behavior and habitats of rabbits and hares.

Presents an introduction to the physical characteristics, behavior and habitats of raccoons.

Presents an introduction to the physical characteristics, behavior and habitats of skunks.

Presents an introduction to the physical characteristics, behavior and habitats of whales.

Presents an introduction to the physical characteristics, behavior and habitats of sharks.

Describes the different kinds of air pollution and what causes it, and examines smog, acid rain, global warming, ozone layers, and efforts to reduce pollution in the environment.

Explores the history and geological features of the Mississippi River, the busiest inland waterway in North America; discusses its wildlife, people and communities, trade, and industries; and looks at the river as a source of water, power, and entertainment.