Biography is a genre of literature that focuses on the life story of a person, typically a historical figure or a celebrity. It provides a detailed account of the subject's life, including their upbringing, achievements, struggles, and personal relationships. Biographies can be written in various formats, including memoirs, autobiographies, and third-person narratives. This category of books offers readers an opportunity to gain insight into the lives of notable individuals and their impact on society.

The "Investigation" category of books typically involves stories that revolve around solving a mystery or crime. These books often feature detectives, private investigators, or other types of sleuths who use their skills and expertise to uncover clues, interview suspects, and ultimately solve the case. The investigation genre can include a wide range of sub-genres, such as police procedurals, cozy mysteries, and psychological thrillers, but all share a common focus on the process of uncovering the truth.

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