Assertion: cover | /r/CapableOf | evolve into pleasing aspect of a book
Facets:
value: slowly
type: MANNER
value: visually
type: MANNER
Source sentences:
text: From here, the process of book binding quickly evolved and became a way of slightly protecting a book from every day wear and tear, and the book binding and cover slowly evolved into a visually pleasing aspect of a book (The Evolution of Bookbinding, 1).