Ray Celestin is the author of the prize-winning City Blues Quartet, a series of novels which charts the twin histories of jazz and the Mob through the middle fifty years of the twentieth century. The first novel in the series, The Axeman's Jazz, won the CWA New Blood Dagger for best debut crime novel of the year, and was featured on numerous 'Books of the Year' lists. The second and third books in the series, Dead Man's Blues and The Mobster's Lament, were shortlisted for the CWA Gold Dagger and the Capital Crime Novel of the Year respectively. The final novel in the series, Sunset Swing, won both the CWA Historical Dagger and the Gold Dagger 2022 and was described in the Sunday Telegraph as the conclusion to 'one of the finest achievements of recent crime fiction'. Palace of Shadows is his fifth novel.