Bookbinding leather is a type of leather used in the process of bookbinding. Roan (4 letters) is a type of leather that is made from the hide of a cow, horse, or other animal. Roans (5 letters) are a type of leather that has been tanned and dyed to give it a unique color. Unsewn (6 letters) leather is leather that has not been sewn together. An AWL (3 letters) is a tool used to make holes in leather for stitching. The SPINE (5 letters) of a book is the part of the book that holds the pages together. All of these components are necessary for bookbinding leather.