When his father takes him to visit Boulder, Colorado, Buster sends postcards to his friends back home sharing what he is learning about the Rocky Mountains and rock climbing.
- ISBN10 0316001260
- ISBN13 9780316001267
- Publish Date 1 September 2005
- Publish Status Out of Stock
- Publish Country US
- Publisher Little, Brown & Company
- Imprint Little, Brown Young Readers
- Format Paperback
- Pages 48
- Language English