Philip Davison - The Crooked man

A darkly funny, moving and original novel about a man coming to terms with the corruption around him and the conscience within. Harry Fielding is a shabby, solitary, but basically cheerful sort, living in a seamy flat in London and subsisting on a diet of gin and pre-packed airline meals in unmarked silver containers. He also works for MI5. Surveillance, protection, the occasional rough-and-tumble - just enough to keep body and soul together. However, when Harry witnesses Lisa, his next-door neighbour, killing and burying her sister's violent husband, he begins to lose his appetite...