{"product_id":"a-calculus-of-angels-9781504068611","title":"A Calculus of Angels","description":"\u003cb\u003eIn an alternate eighteenth-century Europe devastated by alchemical disaster, Sir Isaac Newton and his able assistant, Benjamin Franklin, confront enemies who seek humankind's destruction\u003c\/b\u003e \u003cp\u003e\u003c\/p\u003e Sir Isaac Newton's discovery of philosopher's 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 . . . \u003cp\u003e\u003c\/p\u003e 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. \u003cp\u003e\u003c\/p\u003e Meanwhile Newton and his young apprentice, Ben Franklin, hide out in Prague, awaiting the inevitable violent collision of all these disparate elements--human and demonic alike--while a fugitive Adrienne de Mornay de Montchevreuil pursues the secrets of the malakim and her own role in their conspiracy to obliterate humankind. \u003cp\u003e\u003c\/p\u003e The second volume of the Age of Unreason series, Greg Keyes's masterwork of alternate history, \u003ci\u003eA Calculus of Angels \u003c\/i\u003ebrilliantly expands the scope of the world he introduced in \u003ci\u003eNewton's Cannon\u003c\/i\u003e as an unforgettable cast of historical heavyweights collide on a different Earth where magic and science coexist.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eBinding Type:\u003c\/b\u003e Paperback\u003cbr\u003e\u003cb\u003ePublisher:\u003c\/b\u003e Open Road Media Science \u0026amp; Fantasy\u003cbr\u003e\u003cb\u003ePublished:\u003c\/b\u003e 09\/14\/2021\u003cbr\u003e\u003cb\u003eISBN:\u003c\/b\u003e 9781504068611\u003cbr\u003e\u003cb\u003ePages:\u003c\/b\u003e 344\u003cbr\u003e\u003cb\u003eWeight:\u003c\/b\u003e 0.97lbs\u003cbr\u003e\u003cb\u003eSize:\u003c\/b\u003e 8.50h x 5.50w x 0.77d","brand":"Greg Keyes","offers":[{"title":"Default Title","offer_id":40994619130037,"sku":"9781504068611","price":24.64,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0473\/0804\/6492\/products\/img_b45ab3e1-7230-4375-8095-d717816277c9.jpg?v=1631627175","url":"https:\/\/pastforward.org\/products\/a-calculus-of-angels-9781504068611","provider":"Past Forward","version":"1.0","type":"link"}