The Empress of India (A Professor Moriarty Novel)

Aboard the ship The Empress of India, steaming its way from Calcutta to London, lies a hoard of gold, deep in a special vault in the cargo hold. It is guarded by a detachment of Highland Lancers, and a certain Sherlock Holmes, hired by the Bank of England to thwart any plots by thieves, including the mysterious Pin Dok Low of the London underworld. But when Holmes suddenly disappears, suspicion falls on Professor James Moriarty, also aboard the vessel with his cohort Sebastian Moran. Engaged on a very different assignment, Moriarty nevertheless finds himself at the centre of a diabolical plot. The gold, it appears, is only the tip of a deadly iceberg, and the Professor finds himself matching wits with a mind as nimble as his own...