Describes the animals now living that are virtually unchanged from their ancestors alive during the Age of Reptiles.
- ISBN10 0823404242
- ISBN13 9780823404247
- Publish Date 1 January 1980
- Publish Status Out of Print
- Out of Print 15 December 2011
- Publish Country US
- Imprint Holiday House Inc
- Format Paperback (Library Binding)
- Pages 40
- Language English