Order of Thaddeus

Grail of Power

Book 5

A mythic grail. A legendary quest. A blood with the power to save.

Silas Grey is taking a much-needed vacation after the year has turned his life on end. But when fellow SEPIO agent Matt Gapinski shows up on his beach with a secret mission straight from the Vatican, he knows trouble has found him once again. Which means Day One of his new job with the Order of Thaddeus—ancient defender of the Christian faith—has begun ten days early. And soon it becomes clear an ancient cultic threat is seeking a mythic religious relic:

the Holy Grail that held the blood of Jesus Christ.

But is it so mythical? And why is the Church’s archenemy so desperate to find it?

Those two haunting questions launch the SEPIO agents on their most harrowing mission yet with a clock ticking to find answers just before Christmas. Spanning historic Europe and Medieval Church history, the agents race to solve this threatening puzzle until the final pieces are brought together in a final showdown that will leave readers all at once breathless and inspired.

Grail of Power leverages the familiar conspiracy suspense of Dan Brown, the special-ops muscle of James Rollins’s Sigma Force novels, and the historical insight of Steve Berry’s Cotton Malone series to deliver an explosive religious conspiracy thriller with a technothriller edge— plumbing the depths and significance of the most recognizable religious figure in history: Jesus of Nazareth.

Combining fact, faith, and fiction like few contemporary religious writers, J. A. Bouma weaves an adventurous, action-packed page-turner new readers will devour—while offering several explosive reveals that will leave fans of the inventive series satisfied with long-awaited answers.

Grab the 5th book in the bestselling series readers have exclaimed: “Indiana Jones, step aside, I have a new hero – Silas Grey!”

Best Selling Author

J. A. Bouma

J. A. Bouma is an emerging author of vintage faith fiction. As a former congressional staffer and pastor and bestselling author of over thirty religious fiction and nonfiction books, he blends a love for ideas and adventure, exploration and discovery, thrill and thought. With graduate degrees in Bible and theology, he writes within the tension of faith and doubt, spirituality and theology, Church and culture, belief and practice, modern and vintage forms of Church, and the gritty drama that is our collective pilgrim story.

He lives in Grand Rapids, Michigan, with his wife, son, and daughter, and their rambunctious boxer-pug-terrier Zoe.

Other Books

Holy Shroud

An ancient threat. A sacred relic. A religious belief under siege.

The Thirteenth Apostle

What if the story of Jesus isn’t the one that happened?

Hidden Covenant

The Lost Ark is more than a Hollywood blockbuster.

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– Divi Digest