The Janissary Tree

It is 1836. Europe is modernizing, and the Ottoman Empire must follow suit. But just before the sultan announces sweeping changes, a wave of murders threatens the fragile balance of power in his court. Who is behind them? Only one intelligence agent can be trusted to find out: Yashim Togalu, a man both brilliant and near-invisible in this world. You see, Yashim is a eunuch.