Benjamin blows up a balloon and begins a travel adventure that causes him a certain amount of worry.
- ISBN10 0688097456
- ISBN13 9780688097455
- Publish Date 1 October 1990 (first published 6 September 1990)
- Publish Status Out of Print
- Out of Print 12 November 2014
- Publish Country US
- Imprint Lothrop, Lee and Shepard Books
- Edition Us ed.
- Format Hardcover
- Language English