Thomas Costain (1885-1965) - famous American writer and professional journalist. His first novel was published in 1942, and since then he has devoted himself entirely to historical research. Costain wrote dozens of works that have been translated into many languages. The action of the novel "The Royal Treasurer" takes place in medieval France during the reign of Charles VII. The plot centers on the life of a real person, Jacques Coeur, who was privy to many of the secrets of the court. The reader witnesses unexpected turns of fate of this extraordinary personality, a real financial genius.