A Call for Expertise

Steps

 * 1) when you zone into Qeynos or Freeport after finishing previous quest you should get mail from trade Liaison Wells with this quest.
 * 2) go to NQ to Ironforge Exchange house and talk to him ( or to Coalition Tradesfolks house in WFP)
 * 3) search the books in library ( click on 5 sparkly books in mage guild in NFP or library in mage tower in SQ)
 * 4) speak to Wells again.