This is book number 3 in the Swallows-And-Amazons-For-Ever! series.
Friendship, resourcefulness, and sailing, too Arthur Ransome's Swallows and Amazons series has stood the test of time. More than just great stories, each one celebrates independence and initiative with a colorful, large cast of characters.
Peter Duck takes intrepid explorers John, Susan, Titty, and Roger Walker and fearsome Amazon pirates Nancy and Peggy Blackett onto the high seas. Under the command of the infamous Captain Flint (Nancy and Peggy's Uncle Jim), the children brave a real-life pirate and his cutthroat crew, sharks, and the ravenous creatures of Crab Island in the search of buried treasure.
The entire Swallows and Amazons series is for children or grownups, anyone captivated by a world of adventure and imagination, exploring and setting sail.