Discworld · Grimoire
The Necrotelicomnicon
also known as Liber Paginarum Fulvarum; The Book of Yellow Pages
Achmed the Mad
A directory of the gods and demons of the Discworld, giving their names, addresses and summoning rites. Its author preferred to be known as Achmed the I Just Get These Headaches.
The title is the whole gag and it is a very good one: necro + telephone + omnicon. A comprehensive directory of the dead. Its Latatian name, Liber Paginarum Fulvarum, translates as the Book of Yellow Pages, and the moment you see it the joke turns into a genuine observation — every grimoire ever written is a directory. Entities, their true names, and the correct procedure for getting one on the line. Lovecraft’s is bound in human skin; Pratchett’s has the same table of contents.
Pratchett did this constantly and it is easy to undersell as parody. It is closer to criticism. He picks up a piece of genre furniture, finds the load- bearing absurdity in it, and puts it back down slightly changed so you can never see the original the same way again. After the Necrotelicomnicon, the Necronomicon’s list of summoning rites reads a little more like a directory and a little less like a menace.
Included here mostly to demonstrate what a cross-universe catalogue can do that a per-fandom wiki cannot: this entry and the Necronomicon’s are four hundred years and two genres apart, and the edge between them is the most interesting thing about either.
On the readability rating. Frequently consulted on the page, never quoted from. We know what it is for and never what it says — which, for a phone book, is fair enough.
From the book
Achmed the Mad, who always insisted he wasn't mad, just a bit headachy. The Discworld novels, on the author of the Necrotelicomnicon
In-world history
Achmed the Mad wrote it after drinking too much of the local fermented camel-milk product, and always maintained he was not mad, merely severely migrainous. Copies in the Unseen University Library are chained, and the Librarian keeps the more animated volumes under close supervision.
Why it matters
The best joke about the Necronomicon anyone has made. Pratchett takes the most feared book in fiction and reclassifies it as a phone book — the Liber Paginarum Fulvarum, the Book of Yellow Pages — because that is, functionally, exactly what a grimoire is. Names, addresses, how to reach them.
Appearances
- Moving Pictures (1990) — Terry Pratchett
- Reaper Man (1991) — Terry Pratchett
- Eric (1990) — Terry Pratchett Recurs across the Discworld novels, chiefly in the wizard books
Connected volumes
- Parody of Necronomicon · The Cthulhu Mythos
- Related to The Joye of Snacks · Discworld
- Related to The Octavo · Discworld
- Related to The Summoning of Dragons · Discworld
Catalogue record
- Category
- Grimoire
- World
- Discworld
- Language
- Klatchian, in a translation that keeps changing its mind
- First appearance
- The Discworld novels, from around 1990
- Readability
- Described
Sources
- Terry Pratchett, Moving Pictures (Gollancz, 1990) and Reaper Man (Gollancz, 1991).
- The Discworld Companion, Terry Pratchett and Stephen Briggs (Gollancz, 1994), entry for the Necrotelicomnicon.
Added by house · last checked 2026-08-05