From Tech Authority site:
81-270-08041-CD 2008 CHALLENGER (LC) SERVICE MANUAL ON CD $120.00 om tech
81-270-09041-CD 2009 CHALLENGER (LC) SERVICE MANUAL ON CD $120.00 om tech
This is a lot cheaper than my Dodge dealer quoted me a few months back, which was well over $200.00, so I passed......however, at $120.00....I will be buying one just to learn more about my Challenger