It's the mathematics, stupid!
The 24 measurements any explanation of the Voynich text must reproduce, the rules for taking them, and how languages and published models score.
How the study of the Voynich manuscript turned from reading to counting: transcriptions, entropy, word statistics, generators and benchmarks.
Three and a half centuries of attempts to read the Voynich manuscript: the ideas, the claimants, the codebreakers, and why every reading failed.
A fifteenth-century book in a script no one can read: the object, its history, its seven kinds of page and its writing.
A few manuscript leaves hide a duodecimal system with signed digits. Reconstructing it from six equations, then checking the reconstruction in Lean.