Time and Again is a 1970 cult classic novel by Jack Finney about an illustrator, Si Morley, who joins a secret government project to travel back in time to 1882 New York City using self-hypnosis, blending science fiction, historical fiction, and romance as he experiences the Gilded Age and falls in love, forcing him to choose between two worlds. The book is famous for its meticulous historical detail, unique illustrations, and its exploration of time travel, with a sequel, From Time to Time, published in 1995.
