The novel demonstrates how absolute power can corrupt even the most well-intentioned individuals, as shown through Dorothy's transformation from a symbol of hope to a despot. This raises questions about the nature of good and evil and the effects of unchecked authority.

Amy's journey from a self-proclaimed 'screw-up' to a hero shows how strength and heroism can emerge from unexpected sources, highlighting that even those who doubt themselves can rise to meet extraordinary challenges.

The novel challenges readers by inverting the traditional Oz story, presenting familiar characters in morally ambiguous ways and encouraging critical thinking about established narratives and alternative perspectives.