The reader is presented with twelve mysteries to solve including such cases as "The Dirty Dog," "The Big Diamond Robbery," and "The Old West Challenge."
- ISBN10 0399212205
- ISBN13 9780399212208
- Publish Date 5 April 1985
- Publish Status Out of Stock
- Publish Country US
- Imprint G.P. Putnam's Sons Books for Young Readers
- Format Hardcover
- Language English