For six hundred years, the world's most mysterious book has thwarted anyone who has attempted to read it. Even artificial intelligence.

Housed in the Yale Library, the Voynich Manuscript is a 240-page codex written in a language no one can decipher, illustrated with plants that do not exist in nature, indecipherable constellations, and mysterious female figures immersed in impossibly green rivers. It dates back to the 1420s—and since then, not a single word has been handed down.

This edition tells, for the first time in a comprehensive and compelling way, the entire story of that silence : not a dry collection of theories, but an intellectual adventure that reads like a novel and is documented like an essay.

A six-hundred-year journey:

· The court of Rudolf II of Habsburg, the occult-obsessed emperor who paid six hundred gold ducats for the manuscript, and the shadow of the English magicians John Dee and Edward Kelley.

· The Jesuit Athanasius Kircher , "the last man who knew everything", and the disappearance of the codex for over two centuries, until its rediscovery in Villa Mondragone in 1912.

· The most brilliant codebreakers and their failures: Newbold's ruined reputation, Friedman's secret enigma, Cheshire's announced and demolished proto-novel.

· The verdict of artificial intelligence , and why even the most powerful algorithms have learned humility in the face of the Voynich.

· The most daring hypotheses : secret language, inviolable cipher, ingenious hoax, forbidden treatise on " women's secrets" and the seductive error of the "American plants".

· The latest discoveries , from the five scribes hidden in the writing (2020) to the multispectral imaging of 2024.

Rigorous yet devourable, updated with the latest research, this book is designed for those who love great historical mysteries, cryptography, ancient codes, and enigmas that resist even technology.

The Voynich Manuscript has not been deciphered. But its full story can finally be told.

Open the book. And be captivated by the enigma that has challenged the human mind for six hundred years.