Released on 19 July 2012.

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The Green Frontier

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An eminent Lutheran pastor comes to England to take part in an investigative TV documentary called Crucible and is caught shop-lifting in the West End. He tries to demand that his case be handled by Superintendent Kenworthy, but Kenworthy has retired and it is decided not to bother him – until Pastor Pagendarm is found murdered on the edge of a Hertfordshire wood. Kenworthy is puzzled, until a meeting with the pastor’s widow brings back memories of his days in wartime Intelligence.

But this is not a spy story, nor does it repeat the usual clichés about Nazi Germany. It is a patient and sensitive search for the long tap-roots of evil. The scenes in the ruins of immediate post-war Berlin are among the most atmospheric that John Buxton Hilton wrote and, as expected with this author, there are characters to remember: the foolish, honourable British brigadier, his shrewd and down-to-earth servant – and the charming, intelligent, ruthlessly amoral Anna-Maria.

In the tense denouement, Kenworthy uses the shooting script of Crucible to break the case, and after all the surprises there is another one still to come . . .