At first Bob feels threatened when Matt, new in town and possibly a better left-handed pitcher than himself, joins the Sonora Nuggets, but then the two find themselves involved in the mystery of the missing baseballs.
- ISBN10 0516044788
- ISBN13 9780516044781
- Publish Date 1 September 1983
- Publish Status Out of Print
- Out of Print 8 July 2021
- Publish Country US
- Imprint Children's Press(CT)
- Format Hardcover
- Language English