Three junior detectives solve a mystery involving a collection of antique busts, a legacy, a strange letter, and a red ruby.
- ISBN10 0394837703
- ISBN13 9780394837703
- Publish Date 12 May 1978
- Publish Status Out of Stock
- Publish Country US
- Imprint Random House Books for Young Readers
- Format Paperback (US Trade)
- Pages 180
- Language English