In this task, you're given the title of a five-sentence story and the first four sentences. Your job is to write the last sentence of the story such that it seamlessly connects with the rest of the story.
Q: Title: The Book. Sentence 1: The author had reconfigured her book many times. Sentence 2: She was worried that the ending was bad. Sentence 3: The day before it was due to the editor, she tweaked it again. Sentence 4: She felt better about the new ending.
A:
The book was a roaring success.