Do you want to solve an HTML5 puzzle?
I’ve been working on HTML5 drag and drop this week, and I’ve created a simple puzzle that you can play with in any HTML5 browser: HTML5 Drag and Drop Puzzle
Yes, it’s a pretty easy puzzle, but I do like this photo of my dogs. And it shows you how you can implement HTML5 drag and drop. The full instructions will be in Hour 16 of the book