One reason why I haven't been writing books

Charles Petzold's latest post on books as long format tutorials vs. reference material hits the nail on the head.

In a nut shell, there are a lot of books out there, and people are relying on them less and less as search engines become the dominant way to find information. It's pretty hard to pour massive amounts of work into something when you know most people just want the code snippet that gets them past their current problem. No actual learning required.