| 作者 (Author) | Brown, Marc |
| Summary: It looks like trouble when the principal asks Arthur to take home a large envelope marked "confidential". | |
| 等级 (MML) | MM Level-3.3 |
| 年级 (IL) | Lower Grades (LG K-3) |
| 字数 (Words) | 4973 |
| 类型 (Fiction) | Fiction |
| 系列 (Series) | Arthur Chapter; |
| Topic: Community Life-School; Emotions-Fear; Mysteries-Misc./Other; Recommended Reading-Reading Rockets; | |
