This book introduces the sport of skysurfing, including information on the proper equipment, skydiving training, professional skysurfing teams, and much more.

Discusses the life of Dr. Josef Mengele, who was convicted of war crimes during World War I.

Describes some of the properties and uses of sedimentary rocks.

Provides a biographical sketch of Thomas Alva Edison and a description of some of his most important inventions.

Presents an overview of the bubonic plague, covering its history, scope, diagnosis, treatment, research, and prevention; also includes a glossary, a bibliography, and a list of related organizations.

This book explores the science of aviation, describing the history of jet engines and jumbo jet planes and the benefits of super jumbo jets in the future.

This book discusses domestic violence, which may include physical, sexual, financial, or emotional abuse by various members of a family; describes the causes of abusive behaviors; and explains safety plans and healing for victims of abuse.

This book describes the fragile ecosystem of deciduous forests.

This book describes the fragile ecosystem of oceans.

This book describes gems that come from minerals and that are made by animals and plants.