Another Christian Diet book

I recently ran across the book How to Flip Your Flab--Forever I started laughing the moment I picked it up. It wasn't meant to be a funny book, but I laughed nearly the whole way through it. I'd never heard the devil refered to as 'sleu foot' before in a book. And his alleteriation was hillarious! I know it was suppossed to be a serious book, but I thought it was funny. It was from the late 70s and I actually bought it for a gag gift exchange but I had second thoughts in case some "Porky Patty" might be on the receiving end. (That's the type of names he used the whole way through the book!)