This appealing nonfiction picture book from Washington Post/Children s Book Guild Award winner Gail Gibbons introduces young readers to the excitement of real-life treasure hunts. A rotting hull of a ship...lost gold...coins...gems...sunken treasure! Treasure hunting is a big business. Searchers use metal detectors and sonar to locate treasure on the ocean floor. Divers use high-powered machinery to uncover objects buried in the sand and to raise them to the surface. And more than just treasures are discovered. A whole window into the past is opened up. A salvage can take months or even years. But it s worth it! An attractive and very informative book well organized and easily accessible to younger readers. (The Horn Book)