
The Robert Collier Letter Book

Crackerjack Selling Secrets: Persuasion Strategies of the Most Successful Sales, Marketing, and Negotiation Pros Who Ever Lived
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The Copywriter's Handbook: A Step-By-Step Guide To Writing Copy That Sells (4th Edition)
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The 16-Word Sales Letter™: A proven method of writing multi-million-dollar copy faster than you ever thought possible
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