'The most cunning Canning yet' DAILY MIRROR Svengali-type hypnosis by a sadistic research scientist of his bedworthy blonde mistress and a mysterious ring which is the key to a fortune send an off-beat secret agent to Devon and Woburn's wild animal kingdom in a ruthless quest for revenge... 'Very good... simple and as cold as hell' THE TIMES LITERARY SUPPLEMENT 'Believable, engrossing, with …