Bound To Stay Bound

		Fossils and ancient mammals (Incredible Changes On Earth)  Author: Lundgren, Julie K.  Publisher:  Crabtree (2022)  Dewey: 569  Classification: Nonfiction  Physical Description: 24 p., col. ill., 21 x 21 cm  BTSB No: 590718  ISBN: 9781039644786  Ages: 5-7  Grades: K-2  Subjects:  Fossil mammals
	Price: $7.34

Summary:
Earth was a lot different when dinosaurs were alive. They lived alongside many ancient mammals that can no longer be found. Incredible changes on Earth have left us with fossils that scientists use to learn more about the ancestors of today's mammals.