Since the 1930s, more than 1.5 million glass paperweights have been made in Britain. Here is the first comprehensive reference to identify them. Over 2000 paperweights by Paul Ysart and his family, Strathearn, Whitefriars, Caithness, John Deacons, William Manson, Selkirk, and many studio artists are listed and well covered in histories, descriptions, and 360 color illustrations.