Forbidden Tome Generator

Why Mythos tomes need their own wing

A Mythos tome name has to do two kinds of work at once. It has to read on the spine of a forbidden book where it lives next to an author name and a library catalog number, and it has to land in a scene where an investigator has just pulled the volume off a shelf and is reading the title aloud. A name that does only the first is a library entry. A name that does only the second is a dramatic reading. A name that does both is the kind of title an investigator reads aloud and then wishes they had not.

The forbidden tome wing is built for that double load. Roll once and the long tables offer a tome name with a leather-bound feel, a marginalia voice, a burning-page warning, and a translated title already stitched into a single short string. The lists are free, instant, unlimited, online, no signup required.

What lives in the forbidden tome wing

The scribes sorted the wing by the moment a tome reveals itself. The grimoire aisle holds names for books that look like spellbooks and almost are. The codex aisle holds names for books that look like ledgers and almost are. The hymnal aisle holds names for books that look like prayer books and almost are. The marginalia aisle holds names for books whose text is in the comments.

Deeper aisles run to the pulp-paperback asylum record, the ledger file of a doomed expedition, the sleep-paralysis grimoire of a forgotten order, the library copy with one page torn out, the bilingual translation whose first edition was burned. Each is a complete little tome name a writer can drop into a single paragraph and let the table do the rest.

How to title a tome that earns the catalog

Pick the shelf before the syllable. A grimoire on the second shelf wants a name that suggests the second shelf, not the first. A hymnal in a chapel library wants a name that sounds like a hymn. A ledger in a private collection wants a name that sounds like an account. A marginalia copy wants a name that sounds like a note. The wing serves Call of Cthulhu Keepers and Investigators, TTRPG GMs running a Mythos-flavored campaign, indie game designers scripting an occult library, horror novelists drafting a chapter, and short-story writers chasing the weird-fiction market.

Ask before you pick

• Is the tome a grimoire, codex, hymnal, ledger, marginalia, or pulp-asylum-record, and does the name already carry that shape?
• Is the name for the tome itself, the author, the institution, or the warning on the cover?
• Will the tome be read, burned, hidden, or passed on, and does the name carry that arc?
• Does the name lean on Latin, German, Greek, Old English, or invented syllables?
• Will you take the first roll, or conjure again until the muse hands you the right one?