"Later Than You Think" is a science fiction novel by the famous American writer Fritz Leiber. In this book, the author talks about the difficult life and important decisions of a young man who finds himself in difficult circumstances and is forced to look for a way out of dangerous situations. Mixing scientific facts with elements of fiction, Leiber creates an exciting plot that keeps the reader in suspense until the last page. "Later than you think" is a fascinating book that leaves behind many questions and thoughts about the future.