Tantalus Mining is trying to start a mine on Otter island. To prove ownership of her land, Gram needs to find the family
deed her husband put in a safe spot. Her grandchildren, the five cousins, set out to help her locate the
deed. Very diverse clues are found on recipe cards and lead the children ultimately to the deed.
Excellent mystery with clues for readers to puzzle over.
Reviewed by: Frank Hodge, Bookseller Emeritus, New York, USA