Examining books on different topics as these appeared during the Renaissance allows us to see developments in the use of graphics, the shift from orality to textuality, the expansion of knowledge, and rise of literacy, particularly among middle-class women readers, who were an important audience for many of these books. Changes in English Renaissance technical books provide a new, and as yet largely unexplored means of viewing the Renaissance and the dramatic changes that emerged during the 1475-1640 period, the first years of English printing.