• All book covers were obtained from https://www.google.com/search?q=2017+bluebonnet+book+covers&safe=strict&rlz=1C1GGRV_enUS756US757&tbm=isch&tbo=u&source=univ&sa=X&ved=0ahUKEwjB74-8p4LWAhUT4mMKHUUPATcQsAQIJQ&biw=1024&bih=638#imgrc=vrhu3VlqbfPl_M: