'Life and Letters of Robert Browning' is a biographical work written by Mrs. Sutherland Orr. It provides a detailed account of the personal life, career, and inner mind of Robert Browning, a distinctive English poet. The book depicts his personality through his letters and vivid narratives, allowing readers to understand his inspirations and the historical context of his poetry. It is an essential read for poetry enthusiasts and those interested in Robert Browning's life and works.