A giant diamond stolen from India; a rakish rogue; a naive teenager and a drug-fueled scandal. These are the leading parts that combine to make one of the greatest detective novels of all time. 'The Moonstone' by Wilkie Collins laid many of the foundations for the detective genre. At heart, though, it is a great story. Rachel Verinder inherits a large Indian diamond on her 18th birthday. It turns out to have been stolen from India by her corrupt uncle...