Professor Thaddeus Paleo of the Darkmoon Faire would probably love to have a look at such a rare book.
That doesn't look like a common book at all...
I don't know how you got your hands on this, and I know better than to ask. Could I convince you to part with it in exchange for Darkmoon tickets?
You will receive:
Patch 4.3.0 (29-Nov-2011): Added.