Creating Customer Evangelists: How Loyal Customers Become a Volunteer Sales Force (Paperback)
by Ben McConnell , Jackie Huba

This book is excellent - not only as a must read for businesses but for anyone who buys anything.

Yes!: 50 Scientifically Proven Ways to Be Persuasive (Hardcover)
by Noah J. Goldstein, Steve J. Martin, Robert B. Cialdini

In this book, Cialdini Hits another Home Run with Updated Persuasion Tactics. By making small changes in the way you ask for something, you can increase how often people say yes.

How to sell your value and your price (Paperback)
by Jan Flamend

Tips, tricks and tools for your sales succes.

Web Copy That Sells: The Revolutionary Formula for Creating Killer Copy Every Time (Paperback)
by Maria Veloso

In this must read for beginner Web copywriters, the author shares her "blueprint" for writing effective copy on the web.

The 22 Immutable Laws of Branding (Paperback)
by Al Ries, Laura Ries

This excellent book on branding should be read by anyone involved in marketing.

BrandSimple: How the Best Brands Keep it Simple and Succeed (Paperback)
by Allen P. Adamson

Combining theory and case study to amply illustrate the book's subtitle, this book is a must read for anyone interested in better understanding how to make a good brand great.

Integrity Selling for the 21st Century (Hardcover)
by Ron Willingham

Consultative Selling: The Hanan Formula for High-Margin Sales at High Levels by Mack Hanan (Paperback)
by Mack Hanan

A 'must-read' for those who wish to be successful in environments of increasing competitive pressures

Stop Telling, Start Selling: How to Use Customer-Focused Dialogue to Close Sales (Paperback)
by Linda Richardson

The Solution-Centric Organization (Hardcover)
by Keith M. Eades , Robert Kear