Describes seven species of animals that are in danger of becoming extinct and what is being done to save them. Included are the osprey, gray whale, European bison, bog turtle, Puerto Rican parrot, Pere David's deer, and Pine Barrens tree frog.
- ISBN10 006024982X
- ISBN13 9780060249823
- Publish Date 1 January 1974
- Publish Status Out of Print
- Out of Print 18 March 2014
- Publish Country US
- Imprint HarperCollins Publishers
- Format Hardcover
- Pages 177
- Language English