Andreas has written a book on how bitcoin works, it's available free online.
Do you know what the book is called? or have a link to it?
I didn't realize that Andreas' book was free online. I bought a copy on amazon:
http://www.amazon.com/gp/product/1449374042It's pretty good. I have only been through it once. It's pretty dense with information. I probably need to re-read it to re-assimilate what I glossed over the first time.