FIRST IN THE LOGAN SAND SERIES: A brooch encrusted with red diamonds; priceless; created by an African craftsman; taken by a Calcutta Raja; stolen when a Scottish pirate plundered the Raja's fleet and harem; kept for generations by pirate descendents; repeatedly passed hand to hand from India to Morocco to China to South America and Mexico; killed for in world backwater ports and alleys and steaming ghettos, passed along through treachery, thievery and murder until it reaches Private Detective Logan Sand's territory in the Pacific Northwest on the body of an India gem peddler. Logan is hired by an enemy he should have killed twenty years ago to find the Calcutta Dragon, along with the mobster's girlfriend who took it, killing her way along to disappear.