A gripping and page-turning thriller that explores themes of power, information, secrecy and war in the twentieth century. From the author of the three-volume historical epic 'The Baroque Cycle' and Seveneves. Neal Stephenson hacks into the secret histories of nations and the private obsessions of men, decrypting with dazzling virtuosity the forces that have shaped the past century. He weaves together the cracking of the Axis codes during WWII and the quest to establish a free South East Asian 'data haven' for digital information in the present.