Once upon a time, a message in a bottle said someone needed help; help from a certain bold, brave knight! So the brilliant Sir Charlie Stinky Socks, his cat Envelope, and his good grey mare must find a ship so they can set sail and rescue the messenger. But, who needs their help, and what fearsome sea dangers and frightful pirates might they encounter on their voyage? Join our hero and his companions on this rip-roaring, timber shivering adventure on the high seas! This is Charlie's seventh exciting, fast-paced adventure with a mystery at its heart and a surprise at the end. Big flaps add to the fun!