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By the man who helped invent the red-hot management process known as "Scrum", Scrum unveils what is wrong with the way we currently do work, and how a simple set of principles, applied in exactly the right sequence, can accelerate productivity and quality as much as 1,200 percent.

For nearly 20 years, The Secrets of Question Based Selling has been helping great salespeople like you deliver big results. Its commonsense approach has become a classic, must-have tool that demonstrates how asking the right questions at the right time accurately identifies your customer's needs. But consumer behavior and sales techniques change as rapidly as technology - and there are countless contradictory sales training programs promising results.