Terrorists are threatening to sabotage Britain's nuclear power plants. One nuclear explosive smuggled inside a reactor would turn the entire core into a massive atom bomb . . . and bring death and disease to millions of people for centuries to come. When Sir Isaac Quoit, chairman of the Atomic Energy Authority, disappears without trace, MI5 are alerted to the mysterious Operation Angel. Slick superspy Max Flynn is briefed to crack the code--but can...