A one-star review can feel brutal, especially on a new book with only a few ratings. But one bad review is not the end of a launch.

The worst response is panic.

Do Not Argue

Do not attack the reviewer. Do not ask friends to downvote the review. Do not try to bury it with rushed reviews from people who have not read the book.

That kind of reaction can make the listing look worse, not better.

Read For Useful Signals

Sometimes a harsh review contains useful information. Maybe the blurb promised the wrong thing. Maybe the category attracted the wrong reader. Maybe the book needs clearer positioning.

Use what is useful and ignore the rest.

Keep Building Real Reviews

The answer to one bad review is not manipulation. It is a wider base of honest readers.

Keep asking cleanly, keep sending the book to the right audience, and let the review profile become more balanced over time.