The Cuckoo's Calling is a crime mystery novel written by J.K. Rowling under the pseudonym Robert Galbraith. The story follows private detective Cormoran Strike as he investigates the supposed suicide of a supermodel. Rowling's writing is immersive and character-driven, with a focus on unraveling the truth behind the glamorous facade of the fashion industry. The Cuckoo's Calling has gained popularity for its well-crafted plot, intriguing characters, and the atmospheric depiction of London's gritty underbelly.