The Great Apostasy? Two very good supplemental instruction manuals he should read, if he can fit them with the “hundreds of books” he inhales in a given year.
http://www.antonbosch.com/books.html
http://www.challies.com/archives/book-reviews/book-review-the-25.php
Or he could just read the Bible for once.
He says he does, but I think it’s a trick. I don’t hear much exposition/exegesis going on.