The source provides an extensive overview of the life and works of Percy Bysshe Shelley, detailing his biography from his early life and education at Eton and Oxford to his marriages, self-exile in Italy, and tragic death by drowning at age 29. The text explores his personal crises, including marital complexities and the loss of children, alongside his significant contributions to the Romantic literary movement. Furthermore, it outlines his radical political, religious, and ethical views, such as his advocacy for atheism, free love, nonviolence, and vegetarianism, noting that his controversial opinions often risked prosecution and limited his fame during his lifetime. The document also includes information on his legacy, critical reception, influence on later poets like W. B. Yeats, and comprehensive lists of his selected poetry, drama, fiction, and prose works.