📖 Overview
Gregory Keyes is an American science fiction and fantasy author known for both original works and media tie-in novels. With degrees in anthropology from Mississippi State University and the University of Georgia, he transitioned from academia to become a full-time writer.
His most acclaimed original work is The Age of Unreason tetralogy, which blends alternate history, steampunk, and alchemy in a world featuring historical figures Benjamin Franklin and Isaac Newton. He also created the epic fantasy series The Kingdoms of Thorn and Bone, a four-book saga beginning with The Briar King and concluding with The Born Queen.
Keyes has made significant contributions to established franchises, writing the Babylon 5 Psi Corps trilogy and novels set in The Elder Scrolls universe. His tie-in works include The Infernal City and Lord of Souls, both based on The Elder Scrolls IV: Oblivion video game.
The author writes under multiple names including J. Gregory Keyes and Greg Keyes, publishing consistently since the 1990s. His background in anthropology often informs his world-building and cultural elements across both original and licensed works.
👀 Reviews
Readers appreciate Keyes' world-building depth and ability to blend historical elements with fantasy, particularly in his Age of Unreason series. Many note his background in anthropology shows through in detailed cultural elements and mythology.
Fans highlight his character development and pacing, with several Amazon reviewers calling out the "complex but understandable" political intrigue in the Kingdoms of Thorn and Bone series. Goodreads reviews frequently mention his skill at writing action sequences.
Common criticisms include inconsistent quality between series, with some readers finding his Babylon 5 and Star Wars tie-in novels less engaging than his original works. A number of reviews note his endings can feel rushed.
Ratings across platforms:
Goodreads: 3.8/5 average across all works
Amazon: 4.2/5 average
Age of Unreason series: 4.3/5
Kingdoms of Thorn and Bone: 4.0/5
Tie-in novels: 3.5/5
Most recommended starting point according to readers: Newton's Cannon (Age of Unreason #1)
📚 Books by Gregory Keyes
Newton's Cannon (Book 1 of Age of Unreason)
An alternate history novel set in a world where Isaac Newton's alchemical discoveries led to a scientific revolution involving aetheric technologies and supernatural forces.
A Calculus of Angels (Book 2 of Age of Unreason) Continues the alternate history narrative as Benjamin Franklin and Isaac Newton face mystical threats in a transformed 18th century Europe devastated by climate change.
Independence Day (Movie Novelization) A novel adaptation of the 1996 science fiction film depicting Earth's response to an alien invasion.
The Waterborn (Book 1 of Children of the Changeling) A fantasy tale following a young woman's quest to confront a river god while exploring themes of power and divinity.
The Blackgod (Book 2 of Children of the Changeling) Concludes the duology with an examination of godhood and mortality in a world where deities directly influence human affairs.
The Briar King (Book 1 of Kingdoms of Thorn and Bone) A fantasy novel centered on multiple characters as they confront the awakening of an ancient forest power.
The Charnel Prince (Book 2 of Kingdoms of Thorn and Bone) Continues the saga as various factions compete for power while an ancient evil spreads across the kingdom.
The Blood Knight (Book 3 of Kingdoms of Thorn and Bone) Follows the ongoing conflict between human kingdoms and supernatural forces as ancient prophecies unfold.
The Born Queen (Book 4 of Kingdoms of Thorn and Bone) Concludes the series with the final confrontation between the Born Queen and the forces threatening to destroy the kingdom.
The Infernal City (The Elder Scrolls) A tie-in novel set in the Elder Scrolls universe following a group of adventurers investigating a mysterious floating city.
Lord of Souls (The Elder Scrolls) Continues the narrative of The Infernal City as characters combat supernatural threats in the world of Tamriel.
A Calculus of Angels (Book 2 of Age of Unreason) Continues the alternate history narrative as Benjamin Franklin and Isaac Newton face mystical threats in a transformed 18th century Europe devastated by climate change.
Independence Day (Movie Novelization) A novel adaptation of the 1996 science fiction film depicting Earth's response to an alien invasion.
The Waterborn (Book 1 of Children of the Changeling) A fantasy tale following a young woman's quest to confront a river god while exploring themes of power and divinity.
The Blackgod (Book 2 of Children of the Changeling) Concludes the duology with an examination of godhood and mortality in a world where deities directly influence human affairs.
The Briar King (Book 1 of Kingdoms of Thorn and Bone) A fantasy novel centered on multiple characters as they confront the awakening of an ancient forest power.
The Charnel Prince (Book 2 of Kingdoms of Thorn and Bone) Continues the saga as various factions compete for power while an ancient evil spreads across the kingdom.
The Blood Knight (Book 3 of Kingdoms of Thorn and Bone) Follows the ongoing conflict between human kingdoms and supernatural forces as ancient prophecies unfold.
The Born Queen (Book 4 of Kingdoms of Thorn and Bone) Concludes the series with the final confrontation between the Born Queen and the forces threatening to destroy the kingdom.
The Infernal City (The Elder Scrolls) A tie-in novel set in the Elder Scrolls universe following a group of adventurers investigating a mysterious floating city.
Lord of Souls (The Elder Scrolls) Continues the narrative of The Infernal City as characters combat supernatural threats in the world of Tamriel.
👥 Similar authors
Guy Gavriel Kay
Blends historical events with fantasy elements in detailed alternate worlds. His background in medieval studies influences his thorough cultural world-building, similar to Keyes' anthropological approach.
Steven Erikson Uses his background as an anthropologist and archaeologist to create complex civilizations in his fantasy works. His Malazan series demonstrates deep cultural layering and historical depth comparable to Keyes' world-building style.
Tim Powers Writes secret histories that incorporate historical figures and events into supernatural narratives. His work The Anubis Gates shares similarities with Keyes' Age of Unreason series in its treatment of historical figures and alternate history.
Katherine Kurtz Creates detailed medieval-style fantasy worlds with complex political and religious systems. Her Deryni series shows similar attention to cultural and societal structures as found in Keyes' Kingdoms of Thorn and Bone.
Neal Stephenson Combines historical elements with speculative fiction in works like the Baroque Cycle featuring Isaac Newton. His integration of scientific history with fantasy elements parallels Keyes' approach in The Age of Unreason.
Steven Erikson Uses his background as an anthropologist and archaeologist to create complex civilizations in his fantasy works. His Malazan series demonstrates deep cultural layering and historical depth comparable to Keyes' world-building style.
Tim Powers Writes secret histories that incorporate historical figures and events into supernatural narratives. His work The Anubis Gates shares similarities with Keyes' Age of Unreason series in its treatment of historical figures and alternate history.
Katherine Kurtz Creates detailed medieval-style fantasy worlds with complex political and religious systems. Her Deryni series shows similar attention to cultural and societal structures as found in Keyes' Kingdoms of Thorn and Bone.
Neal Stephenson Combines historical elements with speculative fiction in works like the Baroque Cycle featuring Isaac Newton. His integration of scientific history with fantasy elements parallels Keyes' approach in The Age of Unreason.