Unopened. A book is said to be unopened if the bolts of the sheets have not been cut.
Vellum. See Art vellum.
Verso. The left page.
Waste, or Waste leaves. Part of the end papers and the blank leaves between the colored end papers and the book proper; should be part of the same lot of paper with which the book is printed. One of the waste leaves is often pasted to the loose half of the lining paper or end sheet, thus forming a doubled fly-leaf.
Waste papers. See End papers.
Waterproof sheets. Sheets of celluloid or waterproof cardboard sometimes laid in or between books when pressing.
Whatman paper. A high grade quality of English hand-made paper, both laid and wove, chiefly used for drawing.
Whipping. Same as whipstitching or overcasting.
Whipstitching. See Overcasting.
White edges. Simply cut, without being gilded or colored.