Deep beneath the windswept waters near Istanbul, marine archaeologist Jack Howard and his crack team of experts have uncovered a clue to the location of the lost golden menorah of Jerusalem that was plundered during the Crusades. Meanwhile, in a dusty cathedral library, someone has unearthed a long-forgotten medieval map. Together the two discoveries will solve an ancient mystery-and spark a race to stop a present-day conspiracy of staggering proportions. From diving into the core of an arctic iceberg to the last stand of a Viking warship to an extraordinary revelation deep in the jungles of Central America, Jack is headed straight into a globe-spanning clash of civilizations-and to a confrontation with a killer on a shattering crusade of his own. Download and start listening now!