As each animal confronts a barrier he cannot surmount, another animal comes along who can.
- ISBN10 0807552968
- ISBN13 9780807552964
- Publish Date 31 December 1971
- Publish Status Out of Print
- Out of Print 23 April 2014
- Publish Country US
- Imprint Albert Whitman & Company
- Format Hardcover
- Pages 32
- Language English