One of the best summaries of how the book of Mormon was made that I have ever seen was actually made by Trey Parker and Matt Stone, aka the writers of South Park. Now that all of their episodes are free streaming online, all can enjoy it. BTW, the language is clean (for South Park any way).
Part Four (There is one "bad" word here but if you get more offended by that then what Mormons say about Jesus, we have a problem. It is no different than what you may hear on Grey's Anatomy, The Office, or any other popular show. Take the meat, leave the bone).
Oh and just for good measure, here's what Scientologists Actually Believe
What are your thoughts?