Looking at my TBR list, I decided to read Attack of the Black Rectangles. When I read the summary, it occurred to me to read this first. I was bummed to see that I'd be reading about the holocaust. I'm still traumatized by the last book I read a couple of years ago and took a break. It also occurred to me that I have only read one other book by Yolen, and now I can say that she's a genius. This book was amazing.