Everything you need to understand or teach Magicians of Gor by John Norman.
The main theme of Magicians of Gor is a complex speculation about reality, about what really exists and what does not. At the end of the novel this theme is explained in relation to the Home Stones, over which wars are fought and for which people will give their lives.
Cabot explains that the Home Stone "exists, which goes beyond, which surpasses, meaning. In this primitive sense the Home Stone is simply that, and irreducibly, the Home Stone. It is too important, too precious, to mean.
And in not meaning, it becomes, of course, the most meaningful of all."
This idea that what is not may be more important than that which is, is not only complex, it seems contradictory to the idea that being exactly what one is and nothing else is what is most important to people. Women are inherently slaves, the reasoning goes, thus...