"The Laundry Files" is a series of urban fantasy novels written by Charles Stross. The series follows the adventures of Bob Howard, a computer programmer who works for a secret British government agency known as the Laundry. This agency deals with supernatural threats and occult phenomena, blending elements of horror, espionage, and humor. The series is known for its unique take on Lovecraftian themes, incorporating bureaucratic satire and technology. The books explore the intersection of magic and mathematics, as well as the consequences of meddling with otherworldly forces. Overall, "The Laundry Files" offers a fresh perspective on the fantasy genre.