The book, Fahrenheit 451, never says if she died or not, but Montag is led to believe she was hit by a car that was street racing. In the play, she's with the hobos at the end. In the book it is said that Clarisse is hit by a moving car and dies. Montag gets this information from his wife Mildred, and is deeply saddened although the information may not be true. In a later, afterward edition she was killed in a car accident
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