This game blew my mind when I discovered it in an Apple computer lab as a 7 year old. I emailed back and forth with Zilpha Keatley Snyder for years, and she alw

This game blew my mind when I discovered it in an Apple computer lab as a 7 year old. I emailed back and forth with Zilpha Keatley Snyder for years, and she always replied within 24 hours of an email, like clockwork. I read the books much later (in my 20s) and while stylistically I found them hard to get through, I can see how they also would have stretched my mind if I'd found them as a tyke.