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Already a #1 international bestseller, this taut, gripping psychological thriller follows a police inspector who reluctantly returns to her hometown in Spain’s Basque Country—a place shrouded in mythology and superstition—to solve a series of eerie murders.
When the body of a teenaged girl is found on a riverbank in a remote area, the crime appears all too similar to a murder committed only months prior, igniting the worst fears of the small community of Elizondo. Homicide inspector Amaia Salazar, a strong, borderline-obsessive investigator, is assigned to the case. After all, this beautiful, peculiar backwater steeped in the blood of the Spanish Inquisition, where pagan beliefs still flourish under a thin veneer of modernity, is a space she knows better than anyone. Forced to return to Elizondo, a town she has always sought to escape, Amaia is tasked with finding a serial killer on the loose.
As the murders in the area grow increasingly violent, the locals come to believe only one creature could possibly be responsible: a creature of Basque mythology known as the basajaun, or Invisible Guardian. But Amaia is logical—a professional—and she refuses to let local superstitions distract her from her careful detective work. As the investigation deepens, a troubling secret from Amaia’s past plagues her with nightmares and soon her findings seem to transform myth into reality. Everything she believes to be rational and verifiable is called into question. Now Amaia must fight her demons and determine if these murders are the work of a ritualistic killer or something even darker.