- ISBN: 0807554391, 9780807554395
- Page count: 113
- Published: 1997
- Format: Paperback
- Publisher: Albert Whitman & Company
- Author: Gertrude Chandler Warner
The Aldens are exploring an old house in Michigan. When they arrive at the mansion, they can't wait to start looking through all the rooms. They find an old diary that tells that a diamond and pearl ring is hidden in the house.