Time and Again is a classic science fiction novel written by Jack Finney. The story follows Simon Morley, a young man who is recruited by a secret government project that allows him to travel back in time. As Simon explores the past, he becomes entangled in a mystery involving a beautiful woman and a dangerous conspiracy. With its detailed historical settings and intriguing plot, Time and Again is a captivating time travel adventure that will keep readers on the edge of their seats.