Tessa Paul is the author of a number of non-fiction titles, including a biography on Louis Comfort Tiffany, the American craftsman, and two titles on stained glass and decorative tiles. She has edited and part-authored a series of 32 books on mainly religious festivals around the world. The consultant, Reverend Ronald Creighton-Jobe is an Oratorian Father at the London Oratory Church of the Immaculate Heart of Mary.