A Calculus of Angels
Newton's Cannon, the critically acclaimed first volume in J. Gregory
Keyes's Age of Unreason series, brilliantly combined the best of
alternate history, fantasy, and science fiction in a bravura reimagining of the tempestuous eighteenth century. Now, Keyes triumphantly adds to
his masterpiece in the making...
A CALCULUS OF ANGELS
1722: A second Dark Age looms after the devastating impact of an asteroid,
unnaturally drawn to Earth by dire creatures who plot against the world
of men. Yet this destruction is just the opening salvo in a war of
annihilation.
Sir Isaac Newton and his young apprentice, Benjamin Franklin, have taken refuge in ancient Prague, seeking the secrets of
the aetheric beings whose vast powers and new sciences have so nearly
destroyed humanity... yet who may prove to be its last, great hope.
But their safety is tenuous, as Peter the Great marches his unstoppable
forces across Europe. And half a world away, Cotton Mather and
Blackbeard the pirate lead a party of colonial luminaries back across
the Atlantic to discover what has befallen the Old World. With them
sails Red Shoes, a Choctaw shaman whose mysterious connections to the
invisible world warn him that they are all moving toward a
confrontation as violent as it is decisive...
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Greg Keyes
Greg Keyes doesn’t just write fantasy—he builds mythologies that feel like they’ve existed for centuries. His worlds are intricate, his characters fierce with purpose, and his stories hum with the tension between ancient forces and deeply human choices. Whether he’s delving into dynastic battles in The Kingdoms of Thorn and Bone or breathing new life into beloved universes like Star Wars or The Elder Scrolls, Keyes brings a scholar’s mind and a storyteller’s soul to every page.
The Age of Unreason
The Age of Unreason consists of four books. The current recommended reading order for the series is provided below.
