"A shot... A splash... A shout... and Perry Mason finds himself treading the deepest water of his career. This time he nearly goes under... Things were tense aboard Parker Benton's yacht. About the only thing the group had in common was the bad weather and a highly controversial business proposition. When that subject came up, tempers came out--and in no time at all the spine-chilling cry 'Man O-ver-boar-r-d' cut through the fog. When murder broke loose, Perry Mason found himself involved in a beautiful women, several experienced chiselers and a plot that will keep you glued to the edge of your chair." --