Imagine an empire that has shut out the world for a century and a half. No one can leave, foreigners are excluded, their religions banned and their ideas deeply mistrusted. Yet a narrow window onto this nation-fortress still exists: an artificial walled island connected to a mainland port, and manned by a handful of European traders. And locked as the land-gate may be, it cannot prevent the meeting of minds or hearts. The nation was Japan, the port was Nagasaki and the island was Dejima, to where David Mitchell’s panoramic novel transports us in the year 1799. For one Dutch clerk, Jacob de Zoet, a dark adventure of duplicity, love, guilt, faith and murder is about to begin and all the while, unbeknownst to him and his feuding compatriots, the axis of global power is turning…