The Aldens find a mystery when a visitor comes. Who put the coins in a hiding place behind the wall?
| ISBN: | 9780807553640 |
| Publication date: | 1st January 1973 |
| Author: | Gertrude Chandler Warner |
| Illustrator: | David Cunningham |
| Publisher: | Albert Whitman & Company |
| Format: | Hardback |
| Pagination: | 127 pages |
| Series: | Her The Alden Family Mysteries |
| Genres: |
Crime & Mystery |