From National Book Award winning author Martin W. Sandler, here is a fascinating look at what shipwrecks reveal about our world's past and how exploring them led to the development of a whole new field of science: marine archaeology. Most of the world's ocean floor remains to be discovered. In fact, it's estimated to be home to over 3 million sunken vessels and countless treasures of the past. This enthralling and adventure-filled nonfiction book for young readers recounts some of the most captivating shipwrecks from history, ranging from the Shinan, a Chinese merchant ship laden with riches...