An unconventional management book by an unconventional businessman: how Patrick Kelly built a company where everybody works hard, has a great time, makes a ton of money--and leaves competitors wondering what hit them.

Patrick Kelly is the founder of Physician Sales & Service (PSS), which in only 15 years has gone from a start-up company in the mundane business of distributing medical supplies to doctors' offices to the industry leader with $1 billion in revenues. Its annual growth rate is nearly 60% and today it has 3,600 employees.

What's Kelly's secret? A dynamic,...