a desperate plea from the vatican a kidnapped chef an ambitious mob boss one perilous game when professor alexandra delacroix is called in to find a cure for the dying pope she follows clues left by her mentor and friend the late professor k which lead her on a breathtaking search through historical secrets some of them deadly her old friend jack rogan must step in to assist while also searching for kidnapped top chef europe winner lorenza da baggio he joins forces with his young friend and gifted psychic tristan a dedicated mafia hunting prosecutor a fearless young police officer and an enigmatic egyptian detective on a perilous hunt for a notorious is terrorist together they stand off with the head of a powerful mafia family in florence and uncover a network of corruption and heinous crimes reaching to the very top will rogan and his friends succeed in finding lorenza and curing the pope or will the dark forces swirling around them prevail in their sinister plots professor k the final quest is book 4 in jack rogan mysteries series but can be enjoyed as a standalone novel