The book "Tyrant lo Blanche: A Study of Authorship, Primary Sources and Historical Context" is written by Joseph Anthony Vet. In this book, the author examines one of the most significant literary works of Catalan literature - the novel "Tyrant Lo Blanch". Vet examines the question of authorship of the work, identifies its main sources and the context in which it was created. This book is an important addition to the study of the history of literature and culture of the Middle Ages.