Themed Reading
There is a fantastic list of themed reading from the School Libraries Association of New Zealand: Themed reading for NZ high school students
Hopefully, you'll find just the right book title to fit the theme you're looking for!
Other useful, themed reading links are below:
If we don't have the book(s) you're after let our YA specialist know: akelly@waitaki.govt.nz She will see if we can order it in for you or advise you on how you could get it from your school library.