* The House of Silk (2011): A Sherlock Holmes novel by Horowitz, adapted for the big screen starring Benedict Cumberbatch and Martin Freeman.
* The Adventure of the Christmas Pudding (2010): A Sherlock Holmes short story by Horowitz, part of a BBC special.
* The Word is Murder (2017): The first book in the "Detective Daniel Hawthorne" series, adapted as a television film starring David Walliams.
* The House of Silk (2022): A BBC adaptation of the book, starring Tom Hiddleston as Sherlock Holmes.
* The Word is Murder (2022): A TV series based on the book and featuring David Walliams as Daniel Hawthorne.
* The Girl with All the Gifts (2016): A post-apocalyptic horror novel by Horowitz, adapted into a movie starring Gemma Arterton and Glenn Close.
There are also various other projects based on Horowitz's books in development, such as a TV series adaptation of his Alex Rider series.