An elderly man's mysterious past is revealed after Mark and his friends nominate him for "Grandfather of the Year."
- ISBN10 0802769551
- ISBN13 9780802769558
- Publish Date 1 June 1990
- Publish Status Out of Print
- Out of Print 22 June 2021
- Publish Country US
- Imprint Walker & Company
- Format Hardcover
- Pages 121
- Language English