"Life and Letters of Charles Darwin — Volume 1" by Charles Darwin is a biographical work published in 1887. Edited by Darwin's son Francis, this foundational biography combines Darwin's own autobiographical writings with 87 selected letters from his correspondence and an essay by Thomas Huxley. The book offers an intimate portrait of Darwin's personal character, work methods, and intellectual development through his own words and exchanges with fellow scientists and thinkers, becoming the cornerstone of biographical study about the renowned naturalist.