Bailey, Donna

Describes aspects of rivers and lakes, including their history, benefits to humanity, pollution and conservation.

Explains how mountains and volcanoes are formed, which animals live in mountains, and life and travel in the mountains.

Describes different types of families around the world, discusses how families work and play together, and defines such terms as foster parent, household, and relative.

Describes the origin of cities, aspects of city life, and specific cities old and new, past, present, and future.

Describes different types of families around the world, discusses how families work and play together, and defines such terms as foster parent, household, and relative.

Discusses such aspects of farming as commercial farms that use machines, small farms in undeveloped countries, food crops and what happens to them, factory farming, and dairy farming.

Explains how mountains and volcanoes are formed, which animals live in mountains, and life and travel in the mountains.

Describes the origin of cities, aspects of city life, and specific cities old and new, past, present, and future.