This story begins with a fairytale before diving in to very real, serious historical events. What effect does this have on the book? What role does magic play in making sense of historical tragedies? Is magic a metaphor? If so, for what?

The harmonica needs to save one life. Does it save more than one, however? Explain. 

The main character in each part of the book has a strong bond with their sibling, although those bonds face challenges. Compare and contrast Friedrich, Mike, and Ivy’s relationships with their siblings. What comfort does a sibling provide? How can siblings overcome challenges together? What about challenges within their relationship to each other?