Wheatley Dennis Wheatley 
Eunuch of Stamboul 

Moral young Englishman, Swithin Destime, to avoid an international incident, had resigned from the Army; within weeks he was in Istanbul to check on rumours of a planned uprising.But as a spy Destime was an amateur, alone in a city of intrigue and fear, a dark web in whose centre squatted the repulsive form of Kazdim Hari Bekar.Formerly a Palace eunuch, Kazdim was now Chief of the Secret Police a job which admirably suited his depraved personal tastes