The discovery of a painting of the children's grandmother involves the Aldens in a search for a sapphire necklace.
| ISBN: | 9780807553831 |
| Publication date: | 1st January 1992 |
| Author: | Gertrude Chandler Warner, Charles Tang |
| Publisher: | Albert Whitman & Company |
| Format: | Hardback |
| Pagination: | 117 pages |
| Series: | The Boxcar Children Mysteries |
| Genres: |
Crime & Mystery |