I wanted to like this more than I did. I love multiple narratives, I love WWII literature, and I loved Esperanza Rising, so this should have been a shoe-in favorite. 
 But maybe it's my age, but I just couldn't get invested in any of the protagonists. They were all sort of flat and cliched. The young prodigy with a disability. The self-sacrificing orphan who doesn't want to leave his younger brother. Ivy, the Mexican-American who experienced new sorts of prejudice when she moves to a new town was the best of the three, probably because I didn't feel like I had read it before. Since hers was the last, it was kind of a slog through until then. 
 All of these stories came together in what was supposed to be "revelatory" way, but it was fairly obvious and a bit too clean for me. The jump in time could have potentially contributed to this since it skipped over what should have been the bulk of the conflict (in my opinion). 
 Some of my kids may enjoy it, but I didn't love it.