Cultic with a Chance of Rain: The Novel and Cults and Novels about Cults 3

While The Gospel of Anarchy and Big Machine portray cult largely as madness - albeit a seductive sort of madness - The Instructions and The Book of Dave render cult as that other thing it can be: the basis of a new religion.  All four invite reading, tongue-in-cheek, of sections of their text as scripture.  The Instructions, naturally, is entirely scripture.