The Mystery on Cobbett's IslandBook - 2005
When the Bob-Whites--minus Dan--head to Cobbett's Island to spend ten days in a historic home on the beach, Trixie finds an old letter tucked away in a book and sets off on a long-delayed treasure hunt.
Publisher: New York : Random House, 2005
Edition: First Random House edition
Characteristics: 265 pages : illustrations ; 22 cm