Summer vacation on an almost private island gives the Aldens a challenge.
| ISBN: | 9780807576731 |
| Publication date: | 1st January 1949 |
| Author: | Gertrude Chandler Warner |
| Illustrator: | Mary Gehr |
| Publisher: | Albert Whitman & Company |
| Format: | Hardback |
| Pagination: | 188 pages |
| Genres: |
Crime & Mystery |