Declan Hughes is an Irish author and playwright known for his contributions to the crime fiction genre. He has written several novels, including the popular Ed Loy series, which features a private investigator navigating the complexities of crime in Dublin. Hughes's work often explores themes of identity, morality, and the darker aspects of human nature. In addition to his novels, Hughes has also written for the stage, showcasing his versatility as a writer. He has received critical acclaim for his plays and has been involved in various literary festivals and events, further establishing his presence in the Irish literary scene.