The Book Thief, written by Markus Zusak, is generally considered suitable for readers aged 12 and up. The book is categorized as young adult (YA) fiction and has themes that resonate with both young adults and adults.
In terms of reading level, it has a Lexile measure of 730L, which indicates it is appropriate for middle school readers (approximately grades 6-8). However, the novel’s complex themes, such as the impact of war and the nature of humanity, might be better understood by older teens and adult readers.
The narrative style is unique, with Death as the narrator, and it combines elements of historical fiction with deep emotional resonance, making it a profound read regardless of the reader’s age.