I've missed more than 9000 shots in my career. I've lost almost 300 games. 26 times, I've been trusted to take the game winning shot and missed. I've failed over and over and over again in my life. And that is why I succeed.
Anyone who has heard of Drupal and has a personal or professional reason to learn more: from Drupal administrators, themers, and developers to moonlighters and intense hobbyists. People considering a solo or collaborative career making websites will find this book their complete stop for Drupal.