Musty Tome in Western Plaguelands.
As the comments state, this book is truly worthless, as it can't even be sold to vendors.
Ad blocker interference detected!
Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers
Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.