Presents a look at fossils, explains where and how they form, and discusses the types of information that can be learned from them. Includes a glossary.
Explores the science of seasons, focusing on winter, discussing freezing and melting, the causes of cold weather, life in winter, and other topics; and includes a glossary, references, an index, and photographs.
Explores the science of seasons, focusing on summer, discussing summer sun, why summer occurs, deserts and tropics, and other topics; and includes a glossary, references, an index, and photographs.
Explores the science of seasons, focusing on spring, discussing signs of spring, the changes that occur, spring planting, and other topics; and includes a glossary, references, an index, and photographs.