Twins Julie and Justin plan a treasure hunt for Granddad, who used to be a sailor, but their bumbling sheepdog Mop has a surprise for everyone. Includes directions for making a treasure map, aged paper, and invisible ink.
- ISBN10 1577688910
- ISBN13 9781577688914
- Publish Date 14 October 2000
- Publish Status Out of Print
- Out of Print 17 June 2021
- Imprint School Specialty Publishing
- Format Hardcover
- Pages 32
- Language English