If the kings of Pingaree fear naval invasion, why is their palace built on the seashore? I know it's a small island, but some warning time is better than no warning time, as the early events of this book conclusively demonstrate!

With his empty noodle, Rinkitink is probably a lousy king. Why do his subjects want him back so badly?

The commercial practices of Coregos interest me greatly. Why would a humble honey-peddler be allowed to sell and bargain with the Queen herself? Isn't that what kitchen staff is for? And why is the Queen demeaning herself so as to personally whip field hands and run after indolent pages?

Unlike the Wizard's statement to Bilbil, many animals who have never set foot in Oz are able to talk. Billina the Yellow hen began speaking in the Land of Ev and Jim the Cab-Horse in the Land of the Mangaboos.

I would think a safer place to keep the pearls would have been in a bag around Inga's neck under his underclothing, but that's just me.

When Inga is trapped in his bedroom by the Nome King, he is unable to open his locked doors, even with the strength the blue pearl gives him. Yet he later rips another door off its hinges.