Original sentence: Milton then lived in retirement, devoting himself once more to poetical work, and publishing Paradise Lost in 1667, the epic by which he attained universal fame (blind and impoverished he sold the copyright to this work on April 27th that year for £10), to be followed by Paradise Regained, together with Samson Agonistes, a drama on the Greek model, in 1671.Various prose tracts and polemics
Edited sentence: Milton then lived in retirement, devoting himself once more to poetical work, and publishing Paradise Lost in 1667, the epic by which he attained universal fame (blind and impoverished he sold the copyright to this work on April 27th that year for £10), to be followed by the much inferior Paradise Regained, together with Samson Agonistes, a drama on the Greek model, in 1671