The Mystery in the Old Attic
Gertrude Chandler Warner
Publisher: Albert Whitman & Company
Summary
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. The only way to find the ring is to solve a riddle written in the diary. But someone has already found the ring—and sold it! Who could be responsible?