There are plenty of places online (and off) to buy Never Threaten To Eat Your Co-Workers: Best of Blogs, but not all bookstores have a grasp of how to showcase the book. In fact, if you're having trouble spotting it, it might be hidden in the computer section, or shoved between eBay for Dummies and PHP 101 as you can see in the images below:

Please let me know how you found the book by emailing a photo and I may just post it here!
Plus you'd be helping me figure out how various bookstores are promoting the book.