A Book Cover Showing Chinese President Xi Jiping (l) and Former Secretary of the Communist Party's Chongqing Branch Bo Xilai is Displayed in a Window of the Causeway Bay Books in Hong Kong China 02 January 2016 the Bookstore Specializes in Reading Material Critical of the Chinese Communist Party Major Bookstore Shareholder Lee Bo was Reported Missing by His Wife Sophie Choi on 1 January Just Weeks After Four of His Associates Disappeared in Mysterious Circumstances the Disappearance of Lee is the Fifth Such Case Related to Causeway Bay Books Missing Person Reports Were Made to Police About Three Other Members of the Bookstore on November 5 China Hong Kong