Ruh Koleksiyoncusu by Tess Gerritsen

In this gripping thriller, a series of chilling murders in Boston leaves the city on edge, as the victims are found with their hearts removed and a mysterious symbol carved into their skin. The investigation leads Detective Jane Rizzoli and medical examiner Maura Isles into a dark world of ancient rituals and modern-day obsession. As they delve deeper, they uncover a sinister connection between the murders and a secretive group that believes in harvesting souls. With time running out and the body count rising, Rizzoli and Isles must race against the clock to stop a killer who is as cunning as he is ruthless.