"Osi Mai: Episodes of a Romantic Life" is a novel by the famous Portuguese writer Jose Maria de Est Queiroz, better known as Yetsa de Queiroz. In this book, he tells the story of two young people, Carlos da Maia and María Eduardo da Maia, who come from two different social backgrounds in Lisbon. The novel is a vivid exhibit of Portuguese realism, in which the author depicts the contradiction between the aristocracy and the bourgeoisie at the end of the 19th century. "Osi Mai" is a multi-layered work that reveals many aspects of social life and psychology of the main characters. This book is a must-read for those interested in Portuguese literature and classic works of world literature.