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Masters X: The Complete Trilogy
Hardcover
Series: Masters X, Book 1
Mystery & ThrillerHistorical FictionLiterary Fiction
Publisher Price: $49.99
Publisher: Seventh City Press
Published: Jun 1 2026
Pages: 686
Weight: 2.49
Height: 1.63 Width: 6.14 Depth: 9.21
Language: English
What if the most dangerous secret in human history isn't a weapon or a prophecy, but a frequency?
Beneath the Strahov Library in Prague, Premonstratensian monks have guarded a sealed crypt for seven centuries. A thirteenth-century brother scattered a single truth across seven European cities, because what he discovered in the acoustic resonance was too dangerous to keep in one place, and too important to destroy.
Blake Masters is a graduate student who lost his security clearance and his job as a guard in the subterranean limestone vaults beneath Kansas City. But when he photographs impossible geometric carvings in an unmapped tunnel, he triggers a chain reaction that forces him to confront a terrifying family legacy.
The carvings point to a hidden acoustic signature: 111.2 Hz. It is the exact resonant frequency of ancient caves, megalithic cathedrals, and the human chest cavity. And once you learn how to listen, your nervous system is permanently restructured.
Collected here in a single omnibus edition, the Masters X trilogy is a sprawling, intelligent thriller that bridges acoustic science, medieval cryptography, and the absolute frontiers of human consciousness.
VOLUME I: THE INHERITANCE OF FREQUENCY The discovery of the SubTropolis carvings leads Blake and Nadia Volkov on a frantic hunt from the limestone depths of America to the restricted archives of Europe, pursued by a shadow faction desperate to keep the frequency silent.
VOLUME II: THE GRIMOIRE The frequency is real, and it has altered Blake in ways that cannot be reversed. As the search expands across continents to decode twenty-three esoteric texts, Blake uncovers a staggering truth: the world's great cathedrals were never just buildings. They were always instruments.
VOLUME III: THE KINGDOM The secret is out. Eleven thousand participants are listening. As the phenomenon goes global, a radical new understanding of human capability emerges, culminating in a final, shattering revelation in a chamber where the frequency has resonated since before the city was built.
There's no chaos in nature, Blake. Only patterns we don't understand yet.
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