I was looking at some sales technique books on Amazon and spotted a few FREEBIE kindle books. These expire so quickly that I have posted the links before I have read them.
UnSelling: Sell Less … To Win More
http://www.amazon.com/UnSelling-Sell-Less-Win-More-ebook/dp/…
World Wide Rave: Creating Triggers that Get Millions of People to Spread Your Ideas and Share Your Stories
http://www.amazon.com/World-Wide-Rave-Creating-Triggers-eboo…
The Master Skills in Selling
http://www.amazon.com/Master-Skills-Selling-Don-Westacott-eb…
Marketing Your Business
http://www.amazon.com/Marketing-Your-Business-Don-Westacott-…
The Secrets of Connecting With Your Clients Instantly (NLP & Sales)
http://www.amazon.com/Secrets-Connecting-Clients-Instantly-S…
How to Start a Business
http://www.amazon.com/How-Start-Business-Jason-Nazar-ebook/d…
I hope you enjoy these while they are free.