The book Prefácios e Comentários by Wanderlino Arruda is a collection of critical and introductory texts written by the author throughout his career. The work stands out for highlighting the literary production of Montes Claros and the northern region of Minas Gerais, offering an in-depth perspective on local authors and works. With his perspective as a historian and literary critic, Arruda analyzes and contextualizes various publications, emphasizing the role of criticism in promoting and valuing regional literature.