Back of Book says: Charles Russell, former head of the Security Executive, returns to smash an intrnational drug ring in this thrilling story of action and suspense. Russell braves death threats and assassins in the exotic, treacherous Indian city of Delhi. His mission brings him into contact with the forces of the Man, a ruthless criminal mastermind who heads a vast empire of drugs and crime.
I say:Pub. 1977 - a classic mystery full of adventure.