Blood Heat Zero - Executioner, No 90 Author:Don Pendleton, Peter Leslie Mack Bolan, exhausted by the firestorm that is his life, decides to take a well-deserved R and R. But instead of some tropical resort, the Executioner plans to challenge nature's whims in the depths of an Icelandic glacier. — On a perilous trip beneath the polar ice cap, he makes a discovery so startling it is tantamount to an act of war. And the... more » innocent vacation becomes a hunt -- with Bolan as the prey.« less