Christian Science as well. It's eerie how many overlaps they have with Mormons: founded by a single person (Mary Baker Eddystone), have a book they treat as scripture (Science and Health), believe they are the "one true way", and tell people to "pray to know if the book [and the religion] is true"
So eerie, in fact, that it was the final nail in the head (so to speak) that allowed me to leave Mormonism for good
"Three New Tricks For Identifying If Your House Has Collapsed"