What is the main conflict in The Unfair Advantage by Mark Donohue?

Mark Donohue is the subject of this book. His career as a race-car driver is the main story line. The book traces many details of this. For those who are not already familiar with race car driving, the book opens up a whole new world. For those who have extensive knowledge of this subject area, they should enjoy the details and a more in-depth understanding or appreciation for what is taking place during the course of Donohue's career.