BOOK: The Great Beyond by Paul Halpern

https://docs.google.com/fileview?id=0B5ssQuJchJojZDRlZTM2YWQtNDE2OC00YjdlLWJjOWMtOTgxNDI1OGRhNGE2&hl=en&authkey=CO7hkuAM

This is a .pdf that I uploaded to my google docs. So far I've found it very interesting! It's an easy to read history of attempts at unified theories, understanding higher dimensions, and all sorts of other good stuff.