Silverstein, Alvin

Describes the physical characteristics, behavior, and habitat of the Florida panther as well as the efforts being made to save it from extinction.

Explores "yucky" facts about human body emissions with cartoon illustrations. Includes a glossary.

Presents information about unsanitary and dangerous jobs that need to be done to keep people healthy and safe. Includes color illustrations and photos, a glossary, an index, and sources for additional information.

Explores 'yucky' things animals do.

Looks at some of the foods eaten around the world that might be considered yucky, including frog legs, grubs, maggot cheese, and others.

Examines the changes in the atmosphere that produce various weather phenomena, and looks at how weather patterns over a period of time determine the climates of the Earth's various regions.

A detailed presentation of the structure and function of different types of cells and of research into developing technologies such as cloning and the use of stem cells.

Discusses plate tectonics, the theory that the surface of the earth is always moving, and the connection of this phenomenon to earthquakes and volcanoes.

Explores the history of asthma, discussing its symptoms, diagnosis, and treatment.

Discusses the concepts of time and biological cycles, including the phases of the moon, the internal clocks of plants and animals, seasonal rhythms, and the aging process.