Explores the world of prehistoric mammals, comparing them to their modern descendants. Pop-up sections feature three-dimensional skeletons and some pull tabs.
- ISBN10 0399213120
- ISBN13 9780399213120
- Publish Date 18 April 1986
- Publish Status Out of Print
- Out of Print 13 March 2021
- Publish Country US
- Imprint Putnam Publishing Group
- Format Hardcover
- Pages 16
- Language English