| 作者 (Author) | Hargreaves, Roger |
| Summary: Mr. Happy discovers Mr. Miserable sulking in a room in the trunk of a very large tree and convinces him to come outside and cheer up. | |
| 等级 (MML) | MM Level-4.2 |
| 年级 (IL) | Lower Grades (LG K-3) |
| 字数 (Words) | 789 |
| 类型 (Fiction) | Fiction |
| 系列 (Series) | Mr. Men; |
| Topic: Emotions-Happiness; | |
