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Masters X: The Grimoire
Hardcover
Series: Masters X, Book 2
Mystery & ThrillerHistorical FictionLiterary Fiction
Currently unavailable to order
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Publisher: Seventh City Press
Published: May 14 2026
Pages: 226
Weight: 1.09
Height: 0.63 Width: 6.14 Depth: 9.21
Language: English
The frequency is real. Blake heard it in the Strahov crypt. It restructured his nervous system in a way that cannot be reversed. Now he sits in a stone cottage on the Icelandic coast, writing the account of what happened in the seventh Moleskine with a pen that shakes when he sets it down. Bilateral tremor. 111.2 Hz. Permanent.
What he is writing is both confession and instruction manual.
The Premonstratensian monks did not simply guard the frequency. They prepared for it. A fifteenth-century reading list recovered from a Charles University archive reveals twenty-three texts - Christian, Jewish, Hermetic, Islamic - required before any candidate could enter the crypt. The Ars Notoria. The Sefer Yetzirah. The Gospel of Mary. Twenty-three books to tune the mind before the frequency tuned the body.
While Blake maps the preparation protocol from Iceland, Nadia holds the William Masters Foundation together from Kansas City, alone, at 5:12 every morning. She manages seventeen meetings, four grant deadlines, a Senate inquiry, a pharmaceutical industry's sabotage campaign, and the slow, irreversible transformation of a marriage into an interference pattern between two frequencies that are half a hertz apart.
Andrew Chen's algorithm has identified something no one expected. The mathematical relationships the medieval masters encoded in cathedral proportions - the nave heights at Chartres, the transept ratios at Reims - are not decorative. They are acoustic specifications. The cathedrals are instruments. They were always instruments.
The preparation is not about the frequency. The preparation is about the organism that will receive it.
Twenty-three candidates are waiting.
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