"Arrigo the Wise" is a historical novel by the Italian writer Antonio Giulio Barrili, which tells about the life and adventures of the main character, a scientist and thinker Arrigo, who lived in the Middle Ages. In this fascinating book, readers will learn about Arrigo's intellectual path, his contribution to the philosophy and science of his time, as well as his complex relationship with the clergy and the authorities. Thanks to vivid descriptions and interesting events, the novel "Arrigo the Wise" remains one of the most popular works of Antonio Giulio Barrili, which will certainly fascinate the reader with its depth and details of life in ancient Italian cities.