They are worth having if you do a lot of your own work on your car. Ebay would probably be the best place to find them. It's hard to find all 3 manuals for under a $100.00. New from the dealer they are about $270.00 for all 3. Here's a set on ebay that's not a bad price for all 3. 2007 Chrysler Crossfire Shop Repair Service Manual SET - eBay (item 270661194658 end time Feb-06-11 14:10:47 PST)