"...what is a recurring theme in his [Garth Nix's] work—namely, the constant tension between naïveté and experiential knowledge, as seen through the psychological development of his characters, as they are forced to sacrifice their personal desires for the overall good of the society."

If you've read Sabriel or its sequels, Lirael and Abhorsen, you know exactly what I'm talking about... (And it's forming in the Keys to the Kingdom...)

Unfortunately, this may not be relevant to the argument of my current paper, but it's good to save for whenever I do the bigger one on Sabriel...