Author Information
Gary McAvoy's Latest Book

Newest Release

  • Bibliography:
    17 Books (3 Series)
  • First Book:
    March 2019
  • Latest Book:
    August 2025
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Full Series List in Order

The Magdalene Chronicles

1 - The Magdalene Deception (May-2020)
2 - The Magdalene Reliquary (Dec-2020)
3 - The Magdalene Veil (Mar-2021)

A Vatican Archaeology Thriller

1 - Covenant of the Iron Cross (Feb-2025)
2 - The Devil's Symphony (May-2025)

A Vatican Secret Archive Thriller

1 - The Vivaldi Cipher (Aug-2021)
2 - The Opus Dictum (Dec-2021)
3 - The Petrus Prophecy (Apr-2022)
4 - The Avignon Affair (Aug-2022)
5 - The Jerusalem Scrolls (Feb-2023)
6 - The Galileo Gambit (Jun-2023)
7 - The Confessions of Pope Joan (Sep-2023)
8 - The Celestial Guardian (Feb-2024)
9 - The Apostle Conspiracy (Dec-2024)
10 - The Hildegard Seeds (Mar-2025)
11 - The Voynich Codex (Aug-2025)

Book List in Order: 17 titles




  • For two thousand years, believers have relied on Christ's Resurrection as the bedrock of Christian faith. But what if the Vatican had been blackmailed into suppressing a first-century manuscript revealing the Resurrection to be a myth-and that long-h...



  • A curious priest uncovers a mystifying secret... One that leads to a long-buried relic some will do anything to possess. Can he outwit adversaries who will stop at nothing to keep him from revealing an object that challenges history as we know it?Fat...



  • An old World War II diary filled with cryptic clues launches two friends on an adventure around the world... but their path is fraught with danger and deception... and the treasure they seek can change everything for good-or evil.Father Michael Domin...



  • During the election of a new Pope in the mid-18th century, famed violinist Antonio Vivaldi learns of a ring of art forgers who are replacing the Vatican's priceless treasures with expertly-painted fakes. Desperate, the composer hides a message in a s...



  • In 1982, Italian financier Roberto Calvi, known as God's Banker, was discovered hanging under London's Blackfriars Bridge. What wasn't found was the briefcase he was known to have had with him the night before, reportedly stuffed with incriminating d...



  • Father Jonah Barlow is dead. The respected Jesuit scholar of apocalyptic studies might have died from a fall in his apartment . . . or was he pushed? All that is known for sure is that the provocative manuscript he was working on-a book that promised...



  • A corpse cloaked in secrets rests in an ancient tomb deep beneath Notre-Dame Cathedral, but its identity remains elusive. One priest is determined to find out who the dead man is and what he's hiding...Father Michael Dominic is called to France for a...



  • Two young Israeli boys discover an ancient red clay jar in a hidden cave tucked away in the Judean Desert near Qumran. Inside the jar are several scrolls written by the Essenes two thousand years earlier, before the Great Jewish Revolt, including one...






  • Father Michael Dominic, prefect of the Vatican Secret Archive in Rome, is entrusted with the mission of transporting the original 17th-century trial documents of Galileo to Loyola Law School in Chicago. The stage is set for a modern historical moot c...



  • In the heart of the English countryside, a discovery is made that threatens to overturn centuries of Church history. When Father Michael Dominic uncovers a cryptic diary leading to a lost 1st century Gospel, he is thrust into a labyrinth of deceit, m...



  • Dive into the heart of Vatican intrigue with The Celestial Guardian, an adrenaline-pumping thriller that masterfully intertwines the shadowy corridors of religious power with the luminous frontiers of scientific discovery. This captivating narrative ...



  • Amid the grandeur of the Vatican, the bones of Saint Peter-the Church's most sacred relics-hold secrets that could reshape its history. Father Michael Dominic, Prefect of the Vatican Secret Archives, uncovers a mysterious, nearly forgotten inscriptio...



  • When Vatican archaeologist Marcus Russo uncovers the fabled Nazi Gold Train buried deep within the Owl Mountains of Poland, he expects to find a forgotten trove of looted treasures. Instead, he unearths a chilling codex that points to a dark and dang...



  • When investigative journalist Hana Sinclair uncovers a cryptic reference to an ancient botanical manuscript left to by her late grandfather, she unravels a thread tied to Hildegard von Bingen, a 12th-century abbess, healer, and mystic. Her findings r...



  • In the shadowed depths of the Vatican's Secret Archives, archaeologist Marcus Russo, Father Michael Dominic, and investigative journalist Hana Sinclair uncover a chilling artifact-a centuries-old music box intricately crafted and bound with symbols o...



  • For over five hundred years, the Voynich Manuscript has remained one of the greatest unsolved mysteries of the literary world. Its strange botanical drawings, arcane symbols, and cryptic language have defied the best minds of every generation. But wh...


Frequently Asked Questions (FAQ)

Gary McAvoy has published 17 books.

Gary McAvoy does not have a new book coming out soon. The latest book, The Voynich Codex, was published in August 2025.

The first book by Gary McAvoy, And Every Word Is True, was published in March 2019.

Yes. Gary McAvoy has 3 series.