In June 1972, the 43-foot schooner Lucette was attacked by killer whales and sank in 60 seconds. What happened next is almost incredible. In an inflatable rubber raft, with a 9-foot fiberglass dinghy to tow it, Dougal Robertson and his family were miles from any shipping lanes. They had emergency rations for only three days and no maps, compass, or instruments of any kind. After their raft sank under them, they crammed themselves into their tiny...