Recommended Reading The Ultimate Sales Letter, 4th Edition: Attract New Customers. Boost your Sales. by Dan S Kennedy Ogilvy On Advertising Paperback by David Ogilvy Gary Halbert – The Gary Halbert Letters http://www.thegaryhalbertletter.com/newsletter-archives.htm CA$HVERTISING: How To Use More Than 100 Secrets Of Ad-Agency Psychology To Make Big Money Selling Anything To Anyone by Drew Eric Whitman
