Biographia Literaria is a book written by Samuel Taylor Coleridge, a famous English poet and literary critic. The book is a collection of biographical sketches that detail Coleridge's literary life and his opinions on various literary works and movements.The book is divided into two parts. The first part is an autobiographical account of Coleridge's life, including his childhood, education, and early literary influences. He also discusses his friendship with William Wordsworth and their collaboration on the Lyrical Ballads, a collection of poems that helped launch the Romantic movement.The second part of the book is a collection of Coleridge's literary criticism, including his thoughts on Shakespeare, Milton, and other prominent writers of his time. He also discusses his own theories on poetry, including his famous distinction between the primary and secondary imagination.Overall, Biographia Literaria is a fascinating glimpse into the life and mind of one of England's greatest poets an