The three investigators take on two mysteries: the disappearance of an ancient jeweled Japanese belt from a museum exhibit and the strange antics of a group of gnomes around an elderly woman's house.
- ISBN10 0394864050
- ISBN13 9780394864051
- Publish Date 11 April 1992 (first published October 1968)
- Publish Status Active
- Out of Print 18 October 2003
- Publish Country US
- Publisher Random House USA Inc
- Imprint Random House USA Children's Books
- Edition New edition
- Format Paperback
- Pages 160
- Language English