| 作者 (Author) | Roy, Ron |
| Summary: When the umpire at the baseball game fund-raiser is accused of stealing a collection of autographed baseballs, Dink, Josh, and Ruth Rose try to prove his innocence. | |
| 等级 (MML) | MM Level-3.2 |
| 年级 (IL) | Lower Grades (LG K-3) |
| 字数 (Words) | 9036 |
| 类型 (Fiction) | Fiction |
| 系列 (Series) | A to Z Mysteries; Stepping Stone; |
| Topic: Careers-Detective; Mysteries-Thefts; Recommended Reading-Reading Rockets; Sports/Recreation-Baseball; | |
