"The Pharisees asked Jesus why he kept company with sinners and tax collectors. Jesus answered them with the parable of the prodigal son. You can't understand Christianity until you understand that the parable is really about the *elder* brother - the Pharisees. I've linked to the DVD because it is even better than the book - but get both!"
"Perhaps the greatest Christian book (other than the Bible) of all time. Just as relevant today. It is also free on the Kindle! If you do a search you can find another version updated into contemporary English."