: A classic psychological thriller by Jack Finney often studied in literature.
Since your request references there are two primary ways this could be interpreted. It is most likely a digital file for a western visual novel , but it could also be a reference to a short story or mod for another game. Please clarify which of the following you are looking for:
: Specific files or installation "reports" for game modifications.
: A western-themed mystery visual novel by Gallium Games.