Awesome ancient animals

Describes some of the animals of the Jurassic Period, a time when dinosaurs reached their biggest sizes.

Describes the animals of the Cretaceous Period when many types of dinosaurs evolved, including the famous Tyrannosaurus.

Describes some of the animals of the Jurassic Period, a time when dinosaurs reached their biggest sizes.

"Describes the animals of the Quaternary Period, when an ice age took hold of Earth, and new animals evolved to survive the harsh weather. This period also marks when our human ancestors started to appear. Includes an Animal Families glossary, prehistory timeline, and pronunciation guides"--Provided by publisher.

"Describes the animals of the Paleozoic Era, when animals with bony parts and the first land animals developed. Includes an Animal Families glossary, prehistory timeline, and pronunciation guides"--Provided by publisher.

"Describes some of the animals of the Triassic Period, a time when reptiles were common and when the first dinosaurs, and the ancestors of the mammals, started to evolve. Includes an Animal Families glossary, prehistory timeline, and pronunciation guides"--Provided by publisher.

"Describes the animals of the Tertiary Period, when huge open plains of grass formed, and mammals developed long legs to suit this new environment. Includes an Animal Families glossary, prehistory timeline, and pronunciation guides"--Provided by publisher.