While ultimately you will be the judge, of course, we’d like to believe that every chapter in this book is important. But this one is the key to the entire book. And because it is, let us spend a minute or two setting up what you are about to read.

If you had to boil down what we have been talking about to a single word, it would be uncertainty. How do you navigate your way toward making a pleasant living doing something you like when:

a) Things are changing radically,

b) You aren’t sure where you should be going, and

c) You don’t even have a map.

In this kind of situation, it helps to have a role model. And we found one—serial entrepreneurs—people who have created two or more successful companies. There is nothing more uncertain than starting ...

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