What overall effect does Bradstreet achieve in "The Author to Her Book" through her use of hyperbole and metaphor?

Bradstreet compares her book to a child, using that metaphor to show how personally connected she feels to her writing. Her exaggerated descriptions of caring for and trying to improve it emphasize the depth of that concern. The overall effect is to convey her care for her work, not simply love for a child or dislike of writing.

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