And speaking of modifications, it would be nice to have a version where the puzzles are one-click away from the section at hand. I keep feeling like I'm missing something. I don't understand why the puzzles are on their own page, let alone their own domain, so if I'm in a section and I want to do a puzzle I need to click back to the main site, click on the puzzle site, then find the equivalent chapter heading, and then dive into a puzzle.