| 作者 (Author) | Szymanski, Jennifer |
| Summary: | |
| 等级 (MML) | MM Level-0.8 |
| 年级 (IL) | Lower Grades (LG K-3) |
| 字数 (Words) | 80 |
| 类型 (Fiction) | Non-Fiction |
| 系列 (Series) | National Geographic Readers: Level Pre-reader; National Geographic Kids; |
| Topic: Animals-Ducks; | |
| 作者 (Author) | Szymanski, Jennifer |
| Summary: | |
| 等级 (MML) | MM Level-0.8 |
| 年级 (IL) | Lower Grades (LG K-3) |
| 字数 (Words) | 80 |
| 类型 (Fiction) | Non-Fiction |
| 系列 (Series) | National Geographic Readers: Level Pre-reader; National Geographic Kids; |
| Topic: Animals-Ducks; | |