William Heffernan is an Edgar award winning author of sixteen novels. Heffernan is a member of the Authors Guild, the Mystery Writers of America and past President of the North American branch of the International Association of Crime Writers.

His novel The Dinosaur Club was a New York Times bestseller and is in development at Warner Brothers to become a motion picture. A former reporter for the New York Daily News, he lives in Huntington, Vermont with his wife and two of his six children.