The London Silver Vaults--for well over a century, the largest collection of silver for sale in the world. It has more locks than the Bank of England and more cameras than a paparazzi convention. Not somewhere you can murder someone and vanish without atrace-only that's what happened. The disappearing act, the reports of a blinding flash of light, and memory loss amongst the witnesses all make this a case for Detective Constable Peter Grant and the...