Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Rollercoaster Ride Science Fiction and more...

I wouldn't give The Clone 5 stars if the author didn't include the short story, "Young Again." But this modern science fiction novel certainly deserves 4-stars for its chilling story of human cloning for the purpose of changing the world with a better model, an ancient and ambitious idea that has been tried a thousand times before. The Clone is more entertaining and sinister and is not bogged down with the science and political issues. The ending is climatic but too short. "Young Again" in my humble opinion is a masterpiece with the taste of Ray Bradbury and Rod Serling. I hope to see more work from this author like "Young Again."