Read by John Lee

Hard-up Russia expert Dr Sam Gaddis finally has a lead for the book that could solve all his career problems. But the story of a lifetime becomes an obsession that could kill him. When his source is found dead, Gaddis is alone on the trail of the Cold War's deadliest secret: the undiscovered sixth member of the infamous Cambridge spy ring. Suddenly threatened at every step and caught between two beautiful women, both with access to crucial evidence, Sam cannot trust anyone. To get his life back, he must chase shadows through Europe's corridors of power. But the bigger the lie, the more ruthlessly the truth is kept buried

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