Thread is a science fiction novel written by author Franklin Dixon. The story follows a group of astronauts who embark on a dangerous mission to explore a distant planet. As they navigate through space, they encounter a series of challenges and obstacles that test their courage and determination. Along the way, they uncover a dark secret that threatens not only their mission, but the fate of the entire galaxy. Will they be able to overcome the odds and save the day, or will they succumb to the forces of evil?