It's fiction. The story is not based on a single true account in terms of the characters and their exact experiences. But it draws on the real - world context of Nazi Germany. Zusak has crafted a fictional narrative that is so rich in detail and emotion that it can feel very real, making readers believe that they are getting a glimpse into a true story from that era.
Fiction. Although the book contains elements that are inspired by historical facts like the bombing of Munich and the general atmosphere of Nazi - occupied Germany, the main plot and characters are made up. The Book Thief is a fictional story that uses the power of storytelling to explore themes like love, loss, and the human spirit during a time of great turmoil.