American History X is a strong option for learners who already feel comfortable with English and want a more demanding challenge. The pace feels realistic without being constantly overwhelming, with an average speaking rate of around 99 words per minute. Learners should find many familiar words and expressions, especially when the scene gives enough context (more than 77% of the words come from common English vocabulary). The narrative adds extra difficulty because learners need to track events, motives, or character relationships. If your English is close to B2/C1, American History X can be useful for building confidence with more complex narratives.