Introduces the various species of flying reptiles, probably covered with fur or long hair, possibly warm-blooded, and known only from fossil evidence, which inhabited the earth in the age of dinosaurs.
Presents information on fossils, including how different types are formed, how they have been used to date periods in Earth's history, and major areas of the world where fossil hunting is going on.
Photographs and text examine different types of shells, including seashells, eggshells, and fossil shells, focusing on such aspects as how shells camouflage themselves and how they may be collected.
Presents an introduction to rocks and fossils, providing information on different types of rock, and explaining how rocks change and erode, including a look at fossils, paleontology, prehistoric plants, and more. Includes full-color illustrations.