Keep your eyes peeled for the Matchbook text on the book product pages. You might be able to buy someone that print book they'd like and snag the ebook for yourself absolutely free.
Buy the print book and get the ebook FREE:
Spellslinger
Eagle Quest
First Duty
Mixed Bag II: Supersized
Buy the print book and get the ebook for 99 cents:
Tales of Abu Nuwas
Tales of a Texas Boy
Trade paperback http://www.amazon.com/dp/0615148964
Large print http://www.amazon.com/dp/1438235453