Thinking with Portals - A Memorandum on Proper Portal Usage

"Thinking With Portals - A Memorandum" is a book in Dalaran which can spawn in place of The Schools of Arcane Magic.
== Contents ==
==Trivia==
The title is a reference to a trailer for the 2007 video game Portal by Valve.
==Patch changes==
*
==External links==
Category:Readable objects
Category:Dalaran (Northrend) objects