| 作者 (Author) | Stilton, Geronimo |
| Summary: Geronimo investigates to see if the famous painting MONA MOUSA holds a secret code. Book #15 | |
| 等级 (MML) | MM Level-3.3 |
| 年级 (IL) | Medium Grades (MG 4-8) |
| 字数 (Words) | 10427 |
| 类型 (Fiction) | Fiction |
| 系列 (Series) | Geronimo Stilton (Scholastic); |
| Topic: Animals-Mice; Arts-Painting; Mysteries-Codes; | |
