Charlie Stross saw Michael Walker's Markov chain-melding of the bible and a classic computer science textbook. So he coded a generic markov chain generator and fed it the KJV and Lovecraft.
14:2. the ghouls, whose utter strangeness and their backsliding, I will love him, and have redeemed them, yet thou never gavest me a people
The perl script is available at his homepage. Adds Stross: "I run it for long enough, will it emit a fully-formed draft of the Necronomicon?"