Tania Bayard is a freelance writer specializing in medieval art, culture, and horticulture. She has a Ph.D. in art history from Columbia University, and she has taught at several universities. She has also been the assistant horticulturist at The Cloisters, a museum of medieval art that is a branch of the Metropolitan Museum of Art, and the curator of the Biblical Garden at the Cathedral of Saint John the Divine in New York City. Her publications include a study of the thirteenth century sculpture of Bourges Cathedral; books and articles on medieval plants and gardens; a translation of a fourteenth-century housekeeping manual; and two books on roses, co-authored with the rosarian at the Brooklyn Botanic Garden. She is now working on a series of mystery novels set in 14th century France. The first two books in the series, "In the Presence of Evil" and "In the Shadow of the Enemy," were published in 2018.