"Shelley" is a biographical work written by Richard Holmes that chronicles the life and literary contributions of the English poet Percy Bysshe Shelley. The book provides a detailed account of Shelley's upbringing, education, and relationships, including his marriage to Mary Shelley, who authored "Frankenstein." Holmes also delves into Shelley's literary influences and his contributions to the Romantic movement in poetry, as well as his political activism and involvement in social justice causes. Throughout the book, Holmes emphasizes Shelley's rebellious spirit and his willingness to challenge societal norms and authority figures. Through a combination of personal anecdotes, historical context, and critical analysis, "Shelley" offers a comprehensive and engaging portrait of one of the most significant poets of the 19th century.