80/20 Sales and Marketing: The Definitive Guide to Working Less and Making More

Perry Marshall the number-one author and world’s most-quoted consultant on Google advertising. He has helped over 100,000 advertisers save literally billions of dollars in “AdWords stupidity tax.” His Chicago company, Perry S. Marshall & Associates, consults both online and brick-and-mortar companies on generating sales leads, web traffic, and maximizing advertising results.He’s been featured at conferences in the U.S., Canada, Ireland, Great Britain, Israel and Australia. He’s shared the stage with Zig Ziglar, Brian Tracy, Jay Abraham, Gary Halbert, Harvey Mackay and Les Brown. He’s consulted in over 200 industries, from computer hardware and software to high-end consulting, from health & fitness to corporate finance.

Richard Koch is the author of The 80/20 Principle, which has sold more than a million copies, and been published in approximately forty languages. He is also a successful entrepreneur and investor whose ventures have included Filofax, Plymouth Gin, Belgo restaurants and Betfair, the world’s largest betting exchange. He was formerly a partner of Bain & Company, and co-founder of LEK Consulting. He has written more than twenty acclaimed books on business and ideas.