Um...Calvin's Institutes perhaps? ;-)
What happened to your church is not Rick Warren's fault.
In part, it is. He condones these practices.
Read the articles on transitioning an established church on his website pastors.com.
http://www.pastors.com/article.asp?ArtID=4702 (part 1)
http://www.pastors.com/article.asp?ArtID=4701 (part 2)
http://www.pastors.com/article.asp?ArtID=4768 (part 3)
http://www.pastors.com/article.asp?ArtID=4811 (part 4)
http://www.pastors.com/article.asp?ArtID=4844 (part 5)
Calvin's Institutes are meant to be a pre-cursor to reading the Bible? A supplement, perhaps. An opinionated reference, perhaps - but you declared that PDL was to be a starting-point for getting into the Bible. IOW - Warren first - God second.
>>What happened to your church is not Rick Warren's fault.<<
He's not responsible for the actions he encourages? If that's the case, then I hope he's not taking any credit for the "success" that others might be finding.
God will be the judge of that. There is a much harsher judgement on the shepherds who scatter His sheep. Time will tell, but so far it isn't looking very favorable for Rick Warren.