"Julio Diniz (Joaquim Guillerme Gomes Coelho): A Biographical Sketch" is an important work devoted to the life and work of the outstanding Portuguese writer Joaquim Guillerme Gomes Coelho, known under the pseudonym Julio Diniz. The author of the book, Alberto Pimentel, draws attention to the key stages of the writer's life, revealing his creative path, ideas and influence on Portuguese literature. The text is filled with interesting facts, analysis of the work of Julio Diniz, as well as detailed descriptions of his works. This book will be an important source of information for connoisseurs of literature and researchers of the work of this outstanding writer."