From Warren Buffett's classic, to the tome that finally gives sales legends some respect, these volumes belong in everybody's briefcase.
"Birth of a Salesman: The Transformation of Selling in America"
by Walter A. Friedman
A welcome history of a much-maligned profession, overflowing with colorful characters.
Friedman traces the origins of the modern organized sales force, a "uniquely American story" that began at the turn of the 20th century as companies needed to efficiently sell the larger numbers of business machines, cars, and appliances they were producing.
NEXT: "The New Strategic Selling"