The book grapples with the darker side of humanity, including such issues as existential anxiety, social isolation, fatherlessness, divorce, alcoholism, school bullying, pedophilia, genital mutilation, self-mutilation, and murder.
The book was a bestseller[1] in the author's home country of Sweden; it was translated into several languages, including English.
American network TNT ordered a pilot episode for a television series based on the novel, to premiere in 2017.
[7] In 2021, Showtime gave the Let the Right One In series a 10-episode order, to be produced by Tomorrow Studios and starring Demián Bichir.
Among the details revealed is that Eli is a boy named Elias who was castrated when he was turned into a vampire over 200 years ago.
Håkan throws himself out the window to the ground below, but is reanimated as a vampire driven by his desire for Eli.
She does not realize her "infection" until she tries to prolong her life by drinking her own blood, and finds that exposure to the sun causes boils on her skin.
Lindqvist wrote a short story titled Låt de gamla drömmarna dö ("Let the Old Dreams Die"), exploring what happened to Oskar and Eli after they got off on the train.
The story is told from the perspective of a friend of a couple consisting of Karin, a police officer who oversaw the investigation of the killings at the pool, and Stefan, the last person to see Oskar and Eli alive.
In 2008, a Swedish film adaptation of Let the Right One In was released, directed by Tomas Alfredson and starring Lina Leandersson as Eli and Kåre Hedebrant as Oskar.
Directed by Cloverfield director Matt Reeves and starring Chloë Grace Moretz as Abby and Kodi Smit-McPhee as Owen, it received positive reviews despite not performing well at the box office.
[20] In June, Madison Taylor Baez was added to the cast to star as the vampire-daughter Eleanor; other actors are Kevin Carroll, Jacob Buster, and Ian Foreman.
[21] In September 2021, it was announced that Showtime had given the production a series order for a first season consisting of 10 episodes.
[9] In February 2022, Željko Ivanek and Fernanda Andrade joined the cast in recurring roles.
[23] In an October 2022 interview John Ajvide Lindqvist mentioned he had nothing to do with the TV show and lamented inadvertently selling all rights to the book for only 1 SEK when he thought he was only giving Hammer Films the rights to make the movie (Let Me In), meaning he will earn no royalties from the TV show.
According to Lindqvist, Hammer had misled him of the nature of the contract; “There were thick bundles of American legal prose.
The show transferred to the Apollo Theatre in March 2014,[28] having received positive reviews from a number of national media outlets.
[32] Thorne's play premiered at Rogaland Teater in Stavanger, Norway on January 24, 2015, in a new production as La den rette komme inn.
The first issue has Abby and her "guardian" facing a ruthless real-estate tycoon who wants to steal their home and was released in December 2010.
[37] Original author John Ajvide Lindqvist said, "Nobody has asked me about [doing a comic] and I think that the project stinks.