There have been people scalping Dungeon World books. If you want a book, buy it from the source. Drops on Amazon on the 26th (no shipping outside US, though).
http://www.amazon.com/Dungeon-World-Roleplaying-Game/dp/0988639408/
http://www.amazon.com/Dungeon-World-Roleplaying-Game/dp/0988639408/
