The Vivaldi Cipher
  • # of Books:
    11
  • First Book:
    August 2021
  • Latest Book:
    August 2025
  • Genres:
    Historical, Thriller
  • Share:

The Vatican Secret Archive Series in Order (11 Books)

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Frequently Asked Questions (FAQ)

There are 11 books in the Vatican Secret Archive series.

The Vatican Secret Archive series does not have a new book coming out soon. The latest book, The Voynich Codex (Book 11), was published in August 2025.

The first book in the Vatican Secret Archive series, The Vivaldi Cipher, was published in August 2021.

The Vatican Secret Archive series primarily falls into the Historical and Thriller genres.