The book was a bestseller in the author's home country of Sweden and was translated into several languages, including English. A Swedish-language film, "Let the Right One In", directed by Tomas Alfredson, was released in 2008. An English-language film adaptation based on the Lindqvist's screenplay titled "Let Me In", directed by Matt Reeves, was released in 2010. An English-language stage adaptation premiered in 2013. American network TNT ordered a pilot episode for a television series based on the novel, to premiere in 2017; however, TNT ultimately passed on the series.