The second time I saw The Night Bookmobile it was another chance encounter. Something wonderfully odd happens to people who have huge bestsellers-they kind of lose their minds. Stephen King, James A. Michener, and J.K. Rowling all decided that having a base of reader meant they could crank out stories with millions of words. Other writers have decided that this means they have been touched by God and need to do a bit more preaching than they used to. And some decide to explore other mediums besides the boring world of the novel. Audrey Niffeneggerwrote one of my all time…