The book time is very good and precious it is about how we can create time machine to go in the future it is written by H.G wells, a english man who want to show the world a time machine can be made no matter when it is made but sure it is made the story is on time machine as the title sad it is a very good book and it is very good if you are like science and curious about science and whatever h.g wells thinks he put it in this book.