"Sailing Fiction." . . "Buried treasure Fiction." . . "Islands Fiction." . . . . "Trixie Belden and the mystery on Cobbett's Island" . . . . . "Trixie Belden #13: the mystery on Cobbett's island"@en . . . . . . . . . . . "Electronic books"@en . "Mystery and detective fiction"@en . . "Electronic books" . . . . . . . "The mystery on Cobbett's Island"@en . "The mystery on Cobbett's Island" . "O segredo da ilha" . . . . . . . . . "Trixie Belden and the Mystery on Cobbett's Island"@en . "Trixie Belden and the Mystery on Cobbett's Island" . . "Juvenile works" . "Juvenile works"@en . . . . . . "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." . "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."@en . . "Detective and mystery stories"@en . . . . "Mystery on Cobbett's Island" . . "The Bob-Whites (minus Dan) head to Cobbett's Island with Miss Trask, where Mr Wheeler has rented a house, The Moorings, for the summer. The adventure begins as they finish their journey amidst a storm and they find the caretaker injured. Later that night, Trixie finds an old letter in a book and as they search for the author and recipient of the letter, they become good friends with their neighbour, Peter Kimball. Peter shares with them the joy of sailing and they become involved in an adventure involving sailboat racing, trying to stop vandalism and the search for money hidden that could benefit a family in need."@en . "Mystery fiction"@en . . "Mystery on Cobbett's Island"@en . . . . . . . . . "Fiction" . "Fiction"@en . . . "Mystery on Cobbett's Island"@en . . "Publishers' advertisements"@en . . . . "Trixie Belden : the mystery on Cobbett's Island"@en . . . . . . "Family stories"@en . . . . "Trixie Belden and the mystery on Cobbett's Island"@en . "JUVENILE FICTION / General" . . "Novels." . .