In I Know Why the Caged Bird Sings, author Maya Angelou’s purpose is to tell about her childhood, while her

Question

shows how she thinks and feels about her childhood.

Answer 1

I think you meant to say "writing" instead of "author" in your sentence. Here's the revised statement:

In I Know Why the Caged Bird Sings, Maya Angelou's purpose in writing is to tell about her childhood, while her writing shows how she thinks and feels about her childhood.