"Adolf" is one of the most famous works of Benjamin Constant in the work of Alexander Pushkin. This book is part of the novel in letters "Eugene Onegin", which tells the story of a young French officer, Adolphe, who comes to Russia and meets Lensky and Eugene Onegin. In this story, the author reveals the themes of love, friendship, honor and betrayal. "Adolf" is a sensitive story that leaves a deep impression on the reader and adds new aspects to the general plot of "Eugene Onegin".