12 & up seems about right, I guess that's grade six/year seven....

Its quite a fascinating discussion about society and the concept if everyone having the capacity for evil....

Reminds me of a YouTube clip I watched on Phillip zimbardos prison experiment - well known psych research from the 70s
We could all do it, in the right circumstances.

I read all three pretty quickly - hopefully you can get through the rest, I'd've interested to hear what you think