Amber was a science fiction novel written by Asimoff. It told a fantasy adventure story triggered by Pearl. The story takes place in the early 20th century, and the protagonist is a space explorer named Sputnick. Sputnick and his team discovered a strange stone during a space mission. This stone looked like Perseid, but the difference was that it emitted a strange light that could attract and manipulate the human mind. Sputnick and his team began to explore the mysterious stone and try to use its power to fulfill some unknown wishes. As they explored deeper, Sputnick and his team discovered that Perseid could not only control the human mind, but also the entire universe, including the Earth they once lived on. They had to face the dangers and challenges brought by Perseid, trying to escape its control and find a solution to protect humanity and the earth. In the end, Sputnick and his team successfully broke free from Perseid's control and found a solution to protect humanity and the planet. The whole story was full of sci-fi elements and philosophical thinking, but it also showed the courage and wisdom of human beings to explore the unknown.