The West's Moral Superiority To Islam
'Tafsir' is just interpretation. Different people have different interpretations. I suggest Robert Spencer's 'The Complete Infidel's Guide to the Koran'. If you want to familiarize yourself with the book, there are videos on youtube. Robert Spencer's 'The Basics of Islam' series is also available.
Also, be suspicious of people who want to school you in private, where no criticism can be applied. That's not too far from indoctrination, which is also typical of islam today; a look at islamic schools should convince you of that.