In which Daniel Waterhouse, fearless thinker and courageous Puritan, pursues knowledge in the company of the greatest minds of Baroque-era Europe -- in a chaotic world where reason wars with the bloody ambitions of the mighty, and where catastrophe, natural or otherwise, can alter the political landscape overnight.

In 1942, Lawrence Pritchard Waterhouse - mathematical genius and young Captain in the US Navy - is assigned to detachment 2702. It is an outfit so secret that only a handful of people know it exists, and some of those people have names like Churchill and Roosevelt. The mission of Watrehouse and Detachment 2702 - commanded by Marine Raider Bobby Shaftoe - is to keep the Nazis ignorant of the fact that Allied Intelligence has cracked the enemy's fabled Enigma code. In the present, Waterhouse's crypto-hacker grandson, Randy, is attempting to create a "data haven" in Southeast Asia....

Fraa Erasmus is a young avout living in the Concent of Saunt Edhar, a sanctuary for mathematicians, scientists, and philosophers, protected from the corrupting influences of the "Saecular" world by ancient stone, honored traditions, and complex rituals. Over the centuries, cities, and governments have risen and fallen beyond the concent's walls. Three times during history's darkest epochs, bloody violence born of superstition and ignorance has invaded and devastated the cloistered mathic community.

From best-selling author Neal Stephenson and critically acclaimed historical and contemporary commercial novelist Nicole Galland comes a captivating and complex near-future thriller combining history, science, magic, mystery, intrigue, and adventure that questions the very foundations of the modern world.

Neal Stephenson is a blazing new force on the sci-fi scene. With the groundbreaking cyberpunk novel Snow Crash, he has "vaulted onto the literary stage." It weaves virtual reality, Sumerian myth, and just about everything in between with a cool, hip cybersensibility - in short, it is the gigathriller of the information age.