On drives with his friend Leonard's great-aunt, Walter never knows what the trio will discover.
- ISBN10 002728686X
- ISBN13 9780027286861
- Publish Date 30 September 1991
- Publish Status Out of Print
- Out of Print 19 November 2011
- Publish Country GB
- Publisher Prentice Hall (a Pearson Education company)
- Imprint Prentice Hall & IBD
- Edition American ed.
- Format Hardcover
- Language English