Examines the causes and effects of ice ages throughout history, tracing the development of scientific ideas about ice ages and profiling the lives of men and women who have contributed to the understanding of why and how ice ages happen.
Discusses past ice ages, explains how the world's oceans are changing, and predicts the course of future ice ages, describing the science behind such predictions.
Fascinated with the archaeological dig that is going on near her Texas home, eleven-year-old Esther magically travels back in time to the Pleistocene era and discovers first-hand how people lived at that time. Includes a list of sources and author's notes.