A Calculus of Angels

(Paperback)

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In an alternate eighteenth-century Europe devastated by alchemical disaster, Sir Isaac Newton and his able assistant, Benjamin Franklin, confront enemies who seek humankinds destruction

Sir Isaac Newtons discovery of philosophers mercury in 1681 gave rise to a remarkable new branch of alchemical science. Forty years later, the world stands poised on the brink of a new dark age ...

England is in ruins, crushed by an asteroid called to Earth by the very alchemy Newton unleashed. France is in chaos following the long-delayed death of Louis XIV. Cotton Mather, Blackbeard, and the Choctaw shaman Red Shoes set sail from the American colonies to investigate the silence lying over the Old World. And in Russia, Tsar Peter the Great, now host to the evil entity that kept the Sun King alive, seizes a golden opportunity for conquest as he marches his unstoppable army across a devastated continent.

Meanwhile Newton and his young apprentice, Ben Franklin, hide out in Prague, awaiting the inevitable violent collision of all these disparate elementshuman and demonic alikewhile a fugitive Adrienne de Mornay de Montchevreuil pursues the secrets of the malakim and her own role in their conspiracy to obliterate humankind.

The second volume of the Age of Unreason series, Greg Keyess masterwork of alternate history, A Calculus of Angels brilliantly expands the scope of the world he introduced in Newtons Cannon as an unforgettable cast of historical heavyweights collide on a different Earth where magic and science coexist.

Reviews

Masterful ... A bravura performance ... Ingenious ... Lavish and thoughtful. Publishers Weekly, starred review

Praise for Greg Keyes
A new myth-maker, a new star of the fantasy genre has arrived. Like Ursula Le Guin in the 60s, John Varley in the 70s, and Orson Scott Card in the 80s. BookPage

Author Bio

Greg Keyes was born in 1963 in Meridian, Mississippi. When his father took a job on the Navajo reservation in Arizona, Keyes was exposed at an early age to the cultures and stories of the Native Southwest, which would continue to influence him for years to come.He earned a bachelors degree in anthropology from Mississippi State University and a masters degree from the University of Georgia. While pursuing a PhD at UGA, he wrote several novels, including The Waterborn and its sequel,The Blackgod.He followed these withthe Age of Unreason books, the epic fantasy series Kingdoms of Thorn and Bone, and tie-in novels for numerous franchises, including Star Wars, Babylon 5, the Elder Scrolls, and Planet of the Apes. Keyes lives and works in Savannah, Georgia, with his wife, Nell; son, Archer; and daughter, Nellah.