Definitely wasn't the money. I wanted to explore a new topic that didn't have that much material out at the time (Google Wave -> HTML5 Gaming). And I like to s

Definitely wasn't the money. I wanted to explore a new topic that didn't have that much material out at the time (Google Wave -> HTML5 Gaming). And I like to speak at conferences, a book helps you get selected more. My book has done better than most and is still selling decently approaching 2 years since publication but that's the exception , not the rule.