At the very end before exiting the spirit cave there are 2 scroll stands with knowledge of the spirit world one is vol. 1 and the other vol. 3. Where is vol 2? Is there a bonus for reading the set?

http://jadeempire.wikia.com/wiki/Main_Page found the answer here

Oh there are 5 scrolls around the world look up [url=http://jadeempire.wikia.com/wiki/Text:_The_Nature_of_the_Spirit]http://jadeempire.wikia.com/wiki/Text:_The_Nature_of_the_Spirit[/url]

Ahh, thank you.

Also I'm not sure why my post is showing up as the solution in this thread, when you clearly posted the wiki link and I was just quoting your post...

could not use my own posts as one and it is solved ;)