The book "Sá de Miranda Com uma carta ácerca da "Bibliographia Camilliana" de Henrique Marques" is the result of the joint work of prominent Portuguese writers - Antero de Quental, Joaquim de Araujo and Camilo Castelo-Branco. In this book, the authors devoted their attention to the work and figure of the poet Sá de Miranda, and also drew attention to the "Bibliography of Camiliana" by Henrique Marquez. Antero de Quental, Joaquim de Arauche and Camilo Castelo-Branco are well-known representatives of Portuguese literature, who made a significant contribution to the development of the literary culture of Portugal with their works. In their book, not only topics related to Sá de Miranda's poetic legacy are considered, but also the "Bibliography of Camiliana", which became an important contribution to the study of the work of Camilo Castelo-Branco, was investigated. "Sa de Miranda Com uma carta ácerca da "Bibliographia Camilliana" de Henrique Marques" is an intellectual and interesting book that will be useful both for professionals in the field of Portuguese literature and for a wide range of readers interested in Portuguese literature and culture.