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  • Newton's Cannon

Newton's Cannon

The Age of Unreason #1 / 4
by Greg Keyes
Newton's Cannon (The Age of Unreason #1) by Greg Keyes
★ 8.00 / 4
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In this stunning new novel, acclaimed author J. Gregory Keyes charts a course sideways through time. Come with him to a world both deeply familiar and wondrously strange. Lose yourself in a fantasy woven from the stuff of history, a dazzling quest whose outcome will raise humanity to unparalleled heights of glory – or ring down a curtain of endless night...

NEWTON'S CANNON

1681: Sir Isaac Newton turns his restless mind to the ancient art of alchemy. He achieves an unprecedented breakthrough, unleashing Philosopher's Mercury, a primal source of matter and a key to manipulating the four elements of Earth, Air, Fire, and Water. Now, Louis XIV of France and George I of England battle for its control. As English armies push nearer to Paris, Louis calls for a new weapon – a mysterious device known only as Newton's Cannon.

Amidst the decadence of Versailles, courtiers and poseurs plot and scheme. And Adrienne de Montchevreuil, an impecunious noblewoman of great beauty and unsuspected talents, labors to unlock the mystery of Newton's Cannon before it is too late – for her King, for her country... for herself.

In Boston a half a world away, a young apprentice by the name of Benjamin Franklin stumbles across a dangerous secret. Pursued by a powerful and deadly enemy – half scientist, half sorcerer – Ben makes his fugitive way to England. Only Newton himself can help him now. But who will help Sir Isaac? For Newton was not the first to unleash the Philosopher's Mercury. Others were there before him. Creatures as scornful of science as they are of mankind. And burning to be rid of both...

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FantasyAlternate History
Release date: 1998

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Greg Keyes

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.

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Born in Mississippi in 1963, Keyes grew up surrounded by the rhythms of Southern storytelling, a background that subtly echoes in the cadence of his prose. He studied anthropology and history—two disciplines that shaped his understanding of myth, culture, and the unspoken rules that govern societies, both real and imagined. This depth of knowledge bleeds into his fiction, grounding even the most fantastical elements in a sense of believable tradition and lived-in history.

His breakout series, The Briar King and its sequels, offers more than swordplay and sorcery—it wrestles with prophecy, politics, and the ghosts of a past that refuses to stay buried. Keyes crafts stories where magic has consequences and where ancient legends collide with fragile mortal ambition. His characters are rarely chosen heroes, but rather complex figures forced to grow into their roles amid crumbling empires and rising darkness.

Alongside his original work, Keyes has written extensively in shared universes, including the Babylon 5, Star Wars, and Planet of the Apes franchises, as well as The Elder Scrolls novels The Infernal City and Lord of Souls. These tie-in works aren’t mere adaptations—they’re textured expansions, handled with respect for the original lore and a creative spark that makes them resonate with fans and newcomers alike.

A lesser-known detail? Keyes once trained in fencing and capoeira, a Brazilian martial art blending dance and combat—both disciplines that mirror the grace and grit of his fight scenes. This physical awareness lends a visceral quality to his action, where battles are felt not just seen.

Today, Greg Keyes remains a steady and inventive presence in the fantasy landscape—a writer who doesn’t chase trends, but quietly shapes the genre through layered narratives, sharp worldbuilding, and a deep understanding of how myths are made. His books invite readers not just to escape, but to immerse, to question, and to journey into the heart of the story.

The Age of Unreason

The Age of Unreason consists of four books. The current recommended reading order for the series is provided below.

Newton's Cannon (The Age of Unreason #1)
★ 8.00 / 4
A Calculus of Angels (The Age of Unreason #2)
★ 8.66 / 3
Empire of Unreason (The Age of Unreason #3)
★ 8.00 / 3
The Shadows of God (The Age of Unreason #4)
★ 8.00 / 3


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