Necronomicon

The Necronomicon is an occultic book mentioned in the writings of H.P. Lovecraft. In real life, it is generally considered to be non-existent, although books purporting to be the Necronomicon have been produced. It is an important book in The Illuminatus! Trilogy.

In TiT, Dr. John Dee translated Abdul Alhazred's original. It was donated to Miskatonic Library by the late Dr. Henry Armitage. Miss Doris Horus, the librarian, perceived it as having, "All those strange illustrations, always with five-sided borders just like the Pentagon in Washington, but with those people inside doing all those freaky sex acts with those other creatures who weren't people at all."