Autobiography: This is the most common term and refers to a factual account of the author's life, written by themself. It usually covers their entire life or a significant portion of it.
Memoir: This is a more personal and subjective account of the author's life, often focusing on a specific period, theme, or event. It may not be entirely factual and can be more reflective or emotional.
Diary: This is a daily record of the author's thoughts, feelings, and experiences. It is typically written in a personal and intimate style.
Journal: This is similar to a diary but may be less focused on personal events and more on thoughts, reflections, or observations.
Confession: This term is less common but can be used for a book that reveals personal secrets or scandals.
Life story: This is a general term for any book about someone's life, regardless of the specific style.
The specific term used can depend on the content, tone, and intended audience of the book.