One of the major differences is that they aren’t up front about their beliefs. If you want to be a Muslim, pick up the Koran, walk into a mosque and ask for instruction. If you want to be a Catholic, ditto but with Bible & church. With Scientology, it’s bait-and-switch; mild, inexpensive self-improvement stuff at…

Mostly about the “Church”, and it’s a real page-turner, especially the bits about Tom Cruise’s wedding.