It feels hard to rate the whole series and I wish that I had them individually so I could more easily discuss my feelings on each. As always, Butler creates complex and layered people and worlds. I liked how we went through the build up to the world with Patternists and Clayarks, covering several hundred years on Earth. 

I devoured each book and was sad to leave the characters of each book, while excited to meet the new folks. This book covered the ethics of human breeding, how power effects folks, and what does it mean to be human (who gets to claim it and who gets to define it).