Clancy returns with an explosive tale of global superpowers doing battle. Locked On entered the New York Times hardback fiction list at No. 2 and spent three weeks in the UK Top 10 hardback bestseller chart. Tom Clancy is the world's favourite international thriller writer having dominated the New York Times bestseller list Master of political conspiracy Tom Clancy brings back his most loved characters in a gripping tale of international attack. Jack Ryan moves back into the Oval Office and is immediately faced with an international threat. Chinese President Wei Zhen Lin has been forced to agree with the expansionist policies of his General and they have declared the South China Sea a protectorate and planned an invasion of Taiwan. The stakes are dangerously high as the Ryan administration attempts to thwart Chinese ambitions, facing missiles and cyber attack. Jack Ryan, Jr. may just be the wild card that his father needs. One problem: someone knows about the intelligence agency and may be about to blow their cover sky high.