| 作者 (Author) | Winer, Yvonne |
| Summary: This book describes how, when, where, and why frogs sing songs. | |
| 等级 (MML) | MM Level-2.5 |
| 年级 (IL) | Lower Grades (LG K-3) |
| 字数 (Words) | 287 |
| 类型 (Fiction) | Non-Fiction |
| 作者 (Author) | Winer, Yvonne |
| Summary: This book describes how, when, where, and why frogs sing songs. | |
| 等级 (MML) | MM Level-2.5 |
| 年级 (IL) | Lower Grades (LG K-3) |
| 字数 (Words) | 287 |
| 类型 (Fiction) | Non-Fiction |