I bought two of your books when I first started in Web Development / Design about 4 yrs ago. They helped me survive in a web development team I had just started with.
Today I own 9 of your books and find them very useful to continue to survive in this field. 4yrs down the line I still find your books very informative and easy to read. They provide me with good clear "real world" examples that pertain to a theme throughout the book. I find this much more useful than random code snippets.
I have other books from other companies, but I find Sitepoint is always my first port of call when looking for something on a subject. I often find I need no more than yours.
I just wanted to thank you and the authors and everyone who makes Sitepoint a great resource for every level.