Here's why:
* Based on real events: It tells the story of a young girl in Denmark during World War II, and the events surrounding the Danish Resistance's efforts to rescue Jewish children from the Nazis.
* Fictional characters: While the historical backdrop is real, the characters and their specific experiences are fictional.
* Focus on human experiences: The novel explores themes of courage, friendship, family, and the power of hope in the face of danger, all within the context of a significant historical period.