It was one of the unforgettable moments of a lifetime, for I knew that I was staring at something that very few men have seen-genuine, honest-to-goodness treasure. These unimpressive-looking lumps were masses of coins-hundreds of them, cemented together!" Famous science-fiction writer Arthur C. Clarke and his partner, Mike Wilson, tell the true, exciting story of how they recovered treasure lost in the sea for more than 250 years.