Are you up for a thrilling adventure? While setting up camp on Windswept Island, the Mystery Kids get the shock of their lives when three strange men appear and kidnap the girls. Follow the children as they are whisked away to an Eastern European country, held captive in Dragons Den, meet a British spy, get chased by dogs, swept down a raging river, and more Book 5 in the Mystery Series, this adventure novel is set in 1950's Britain and will suit anyone who enjoys Nancy Drew, the Hardy Boys or the Famous Five.