Exposure

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''A deceptively simple masterpiece'' Independent on Sunday
''Will haunt you for months, if not years'' Guardian
''Outstanding ... if you only buy one book, make it this one'' Good Housekeeping

The Cold War is at its height, and a spy may be a friend or neighbour, colleague or lover.

At the end of a suburban garden, in the pouring rain, a woman buries a briefcase deep in t...