This is the sixth title in a thrilling fast-paced adventure series about Sherlock Holmes gang of street-urchin detectives. When Sarge sees a ghost in one of the exhibits during his night watch at the Baker Street Bazaar waxworks exhibition everyone tell him he must have imagined it. But the ex-army officer is adamant & when his job is put on the line as a result Wiggins & Beaver decide to spend the night there themselves to find out once & for all what it was that he saw. When they do they realize that all is not as it seems. Suddenly the Baker Street Boys are catapulted into a mystery involving a Russian spy ring a case of mistaken identity.. .and murder. This title is based on a popular 1980s BBC television series by the same author. It features exciting historical adventures ideal for encouraging both boys & girls to read.