A biography and an autobiography are both narratives about a person's life, but they differ primarily in who writes them and the perspective they provide.
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Biography:
- Written by someone other than the subject of the book.
- Offers an external perspective on the person's life, experiences, and achievements.
- Often includes extensive research, interviews, and analysis of the subject's life.
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Autobiography:
- Written by the person themselves.
- Provides a first-person account of their own life, thoughts, and experiences.
- Reflects the individual's personal insights and interpretations of their life events.
In summary, the key difference lies in the authorship: biographies are written about someone by another person, while autobiographies are written by the person themselves.