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http://download.redeemer.com/pdf/learn/resources/All_of_Life_Is_Repentance-Keller.pdf
One of the best books I have read is called "The Prodigal God" By Tim Keller who is also the author of this article. Everything he teaches and preaches is centered on what Christ has done for us and how that is the key to real and lasting hope and change.
For more by Tim Keller follow this link:
http://www.monergism.com/thethreshold/articles/bio/timkeller.html
