| 作者 (Author) | Brown, Marc |
| Summary: Their friends must decide which party to attend when Muffy schedules her birthday party for the same day as Arthur's. | |
| 等级 (MML) | MM Level-2.4 |
| 年级 (IL) | Lower Grades (LG K-3) |
| 字数 (Words) | 765 |
| 类型 (Fiction) | Fiction |
| 系列 (Series) | Arthur; |
| Topic: Animals-Aardvarks; Family Life-Birthdays; Family Life-Brothers; Family Life-Sisters; Interpersonal Relationships-Friendship; Recommended Reading-Reading Rockets; | |
