Okay, this isn't a freebie, but I thought this was a great opportunity. AAPC is having a warehouse sale, and is offering around 30 of their books for $5 each.
Here's the list of book available: http://www.aapcpublishing.net/warehousesalemar
Here's how to order: online at http://www.aapcpublishing.net/, fax in your order at 913.681.9473, or call 913.897.1004.
The sale runs from March 7 - 11.