[1] In 2010, Michael Shreve adapted it into English as Enemy Force.
[2] The main character is a poet who mysteriously wakes up in a rubber room, locked away in a lunatic asylum, apparently at the request of a relative, due to alcoholism or perhaps jealousy.
[3][1] He becomes possessed by an "alien force" from another planet, Kmôhoûn, whose crazy voice is constantly screaming in his head.
[3][1] He then falls in love with a female inmate, Irene, but she leaves, and so he follows her to the ends of the earth, while the alien force cohabits his body.
[1] It was only a mediocre success, but it did not prevent the president of the academy, Joris-Karl Huysmans, to say much later: "It is still the best we have crowned".