Yes, there are a lot of huge errors...
I did take a few minutes to do some
very basic cleanup and styling so you can use it as a starting point. Everything should work fine now, but I would definitely give it another walk through. I'm sure there are others on MR that would do things differently, but this will at least get you started!
There are some basic tutorials in
MR's Wiki that will help immensely. Most of the errors I noticed were from not putting the correct closing tags around your elements( <p></p>, <h5></h5>, <div></div>, etc.)
I also added a slightly larger cover image. The one you had was only 286px high -
much too small! The one I added is too small as well, but 500px is at least viewable.
It would be really nice if you could scan, or otherwise locate, the illustrations at the end of each chapter!
Cheers!