When Wally and Wenda buy a Turkish rug, they soon realise that it's actually a map to the Doubling Key. But can they get to the key before their rivals?
Arf gets a chance to run with sled dogs when he travels with Wally and Wenda to wintry northern Canada to deliver an important package to Wizard Whitebeard.
When Odlulu uses the Bubble Key to raise a sunken pirate ship in the Bahamas, the Wanderers and Wizard Doubloon must catch the bubble-wielding buccaneer.