Glynn Stewart
Glynn Stewart is the author of Starship’s Mage, a bestselling science fiction and fantasy series where faster-than-light travel is possible - but only because of magic. His other ongoing works include science fiction series Duchy of Terra, Castle Federation and Vigilante, as well as the urban fantasy series ONSET.
Writing managed to liberate Glynn from a bleak future as an accountant. With his personality and hope for a high-tech future intact, he lives in Kitchener, Ontario with his wife, their cats, and an unstoppable writing habit.
Join the Ongoing Discussion
Series by Glynn Stewart
Castle Federation (6 books)
Duchy of Terra (3 books)
Vigilante (1 books)
ONSET (2 books)
Changeling Blood (1 books)
Peacekeepers of Sol (3 books)
House Adamant (2 books)
Speculative Fiction Books
The Valkyrie Stratagem (House Adamant #3 / 3)
2025 | science fiction, space opera | Release date March 27, 2025
Raven's Peace (Peacekeepers of Sol #1 / 8)
2019 | science fiction, military science fiction, space opera
Operation Medusa (Castle Federation #6 / 6)
2017 | science fiction, military science fiction, space opera
Terra and Imperium (Duchy of Terra #3 / 3)
2017 | science fiction, military science fiction, space opera
Rimward Stars (Castle Federation #5 / 6)
2017 | science fiction, military science fiction, space opera
Duchess of Terra (Duchy of Terra #2 / 3)
2017 | science fiction, military science fiction, space opera
Q-Ship Chameleon (Castle Federation #4 / 6)
2016 | science fiction, military science fiction, space opera
The Terran Privateer (Duchy of Terra #1 / 3)
2016 | science fiction, military science fiction, space opera
Battle Group Avalon (Castle Federation #3 / 6)
2016 | science fiction, military science fiction, space opera
Space Carrier Avalon (Castle Federation #1 / 6)
2015 | science fiction, military science fiction, space opera