to be fastened on, and the corners of the boards cut off. It is then ready for covering. "Mock flexible" has generally one piece of paper glued on the back, and when marked-up, the bands are put on as before, and the book covered.
CHAPTER XX.
Covering.
Books are covered according to the fancy of the binder or customer. The materials used at the present day, are—leather of all sorts, parchment or vellum, bookbinder's cloth, velvet, needle-work, and imitation leather, of which various kinds are manufactured, such as leatherette and feltine.
Each kind requires a different manner of working or manipulation. For instance, a calf book must not be covered in the same manner as a velvet one: I will take each in the above order and explain how they are managed. Under the class of leather, we have moroccos of all kinds; russia; calf, coloured, smooth, and imitation; roan, sheep, and imitation morocco.
The morocco cover, indeed any leather cover, is to be cut out by laying the skin out on a flat board, and having 
French Paring Knife. chosen the part or piece of the skin to be used, the book is laid on it and the skin is cut with a sharp knife round the book, leaving a space of about ¾ of an inch for an 8vo, and more or less according to the size of the book and thickness of board for turning in. The morocco
