"The leopard stood squarely now, halfway between the bush and the white bed of river rock, and he had his golden eyes locked in on his adversary..."When London-based historian Walter Gordon is called upon to study a unique rock art discovery in a network of caves in South Africa's Cederberg mountains, he has the opportunity of a lifetime to help establish a UNESCO heritage site. But what begins as a scholarly mission soon unravels into something far more perilous.A...