Helen Roney Sattler

Discusses the physical characteristics, behavior, and life cycle of eagles and describes many individual species, including the African fish eagle, bald eagle, booted eagle, and harpy eagle.

Discusses the fossil remains, probable appearance, and possible behavior of the gigantic flesh-eating dinosaurs of the Mesozoic, including Tyrannosaurus rex, Allosaurus, and such lesser known relatives as Acrocanthosaurus and Baryonyx walkeri.

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.

Discusses more than 80 different types of dinosaurs native to North America in the context of changing geography, animal and plant communities, and climate during the Mesozoic Era.