You need not read this book straight through; most people will pick one method for running Windows and read only the relevant sections. But be sure not to skip Decide How to Run Windows (p. 18), which provides important background information.
Make initial preparations:
Find out whether running Windows on your Mac is for you. Read Why Bother? for guidance (p. 14).
Determine whether the best approach is to install Boot Camp or virtualization software (or both), in Decide How to Run Windows (p. 18).
Regardless of which method you choose, your next step is to Collect the Ingredients you'll need to install and use Windows (p. 28).
If you decide to go with Boot Camp:
Learn how to Install and Use Boot Camp (p. 36).