The download's a zip file, with an iso file, with a lot of html files within a few folders. It's a bit tedious. I remembered that the Internet Archive has tools to simplify it, so I sent it over there... and it's not working! Dunno what's up.
It decompresses properly if you have the proper tool. With Mac, you can use the built in tool and with Windows, perhaps WinRAR. Mostly just see the source code and the documents in html format. Used to read this thoroughly back in college.
On a Mac, it worked to a point: unzip it with a double-click, mount the .iso with a double-click... but the links break because they're on a case sensitive filesystem. Meanwhile, if the Internet Archive viewer kicked in, we'd be able to post links to the highlights.