When a series of bizarre accidents befall small shopkeepers who have recently taken precautions to protect their premises, Sherlock Holmes is the first to discern a pattern - to the befuddlement of his most loyal friend. It seems someone is running a protection racket, and what’s more, murder is involved, so Holmes teams up with a New York detective who has travelled to London to get to the bottom of the Rule of Nine

Hardback - SEVERN HOUSE PUBLISHERS LTD ISBN: 0-7278-6004-6