The product is a 1973 French textbook titled "Le Tresor De Saint Denis" by author Blaise De Montesquiou Fezensac. It is a paperback format published by Editions A Et J Picard in France. The book delves into the subjects of History, Philosophy, Mind & Body, as well as various historical surveys ranging from Medieval to Modern times. This inventory work focuses on the treasures of Saint Denis, offering insight into the historical and philosophical aspects of the subject matter.