Respuesta :
The 2 purposes that the author had for writing the book includes:
- to inform
- to entertain
What is a nonfiction book?
These are books that are usually on true events and information such as a autobiography that tells about someone's life.
In this context, as he writes about what he discovered including many details and anecdotes, then, he is trying to inform and entertain the audience.
Therefore, the Option C and D is correct.
Read more about nonfiction book
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