Complex sentence: The first printing of Malory's work was made by Caxton in 1485; it proved popular, and was reprinted, with some additions and changes, in 1498 and 1529 by Wynkyn de Worde who succeeded Caxton's press.
Split into simpler sentences: The first printing of Malory's work was made by Caxton in 1485. It proved popular, and was reprinted, with some additions and changes, in 1498 and 1529 by Wynkyn de Worde who succeeded Caxton's press.