La Ciudad Blanca Series by Eva García Sáenz de Urturi, Eva García Sáenz

A madman is holding Vitoria hostage, killing its citizens in brutal ways and staging the bodies. The city's only hope is a brilliant detective struggling to battle his own demons.Inspector Unai López de Ayala, known as "Kraken", is charged with investigating a series of ritualistic murders. The killings are eerily similar to ones that terrorized the citizens of Vitoria twenty years earlier... moreA madman is holding Vitoria hostage, killing its citizens in brutal ways and staging the bodies. The city's only hope is a brilliant detective struggling to battle his own demons.Inspector Unai López de Ayala, known as "Kraken", is charged with investigating a series of ritualistic murders. The killings are eerily similar to ones that terrorized the citizens of Vitoria twenty years earlier. But back then, police were sure they had discovered the killer, a prestigious archaeologist who is currently in jail. Now Kraken must race to determine whether the killer had an accomplice or if the wrong man has been incarcerated for two decades. This fast-paced, unrelenting thriller weaves in and out of the mythology and legends of the Basque country as it hurtles to its shocking conclusion. less

Kraken is enjoying life as a family man, content to spend his days with Alba and their young daughter Deba. But there's no rest for the weary, especially when you're the most famous investigator in Vitoria. Kraken and Esti are charged with investigating the mysterious disappearance of two sisters and finding it hard to make any headway when a wealthy businessman's murder appears to shine a light on the case... moreKraken is enjoying life as a family man, content to spend his days with Alba and their young daughter Deba. But there's no rest for the weary, especially when you're the most famous investigator in Vitoria. Kraken and Esti are charged with investigating the mysterious disappearance of two sisters and finding it hard to make any headway when a wealthy businessman's murder appears to shine a light on the case. The man was poisoned with a medieval aphrodisiac--a crime that has eerie similarities to one detailed in the novel everyone in Vitoria is buzzing about. When the two sisters are discovered trapped behind a wall--bricked up alive--the parallels to the novel are undeniable. With the author's identity a closely held secret, will Kraken be able to track down the killer before they can strike again? Or will Vitoria's sordid underworld finally break Kraken, and his family, apart. less