Where can I get a UL white book ?
You can't get a printed bound copy any longer from UL as they quit producing them. The only alternative is the PDF version as Augie indicated. But you will note that is so many pages that it is not practical to print your own.
They have a really cool interactive web page that they have developed that they are encouraging folks to use as a replacement and my experience has really been great with it. Even better than using the book. Try it out here:
http://productspec.ul.com/index.php
I just have a link to on my mobile devices and it is quick and painless to use. Of course the down side is you need a live connection though.