An Evil Eye (Yashim the Eunuch Series‪)‬

When the body of a Russian agent is found down a monastery well, Yashim knows exactly who to blame. Fevzi Ahmet Pasha, ruthless commander of the Ottoman fleet. Years ago, Fevzi Ahmet was his mentor. And now Yashim must confront the secret that Fevzi Pasha has been keeping all these years, a secret whose roots lie deep in the tortured atmosphere of the sultan's harem…