| 作者 (Author) | Warner, Gertrude Chandler |
| Summary: The Aldens are spending a week at Goldwin University for Grandfather's college reunion. They soon learn that a valuable secret from the past lies hidden somewhere at the school.#84 | |
| 等级 (MML) | MM Level-4.3 |
| 年级 (IL) | Medium Grades (MG 4-8) |
| 字数 (Words) | 19006 |
| 类型 (Fiction) | Fiction |
| 系列 (Series) | Boxcar Children; |
| Topic: Community Life-School; Mysteries-Detective Stories; Mysteries-Secrets; | |
