"Frost at Christmas" is a mystery novel written by R.D. Wingfield, featuring the character Detective Inspector Jack Frost. Set during the festive season, the story unfolds in the fictional town of Cringleford, where a series of crimes disrupts the holiday spirit. The narrative combines elements of suspense and humor, showcasing Frost's unconventional methods and his interactions with colleagues. As he navigates through the challenges of the investigation, the novel highlights themes of human nature and the complexities of life during Christmas time.