A Guide to Sandwich GlassA book that will guide you when you are in the process of buying or appraising Sandwich glass is the most important tool you can own. This book is one of a series of guide books that describes every type of glass that was produced in Sandwich, Massachusetts. It uses the original plates of glass photos and the identification numbers form Volume 3 of The Glass Industry in Sandwich, a larger book by the same authors. (Volumes 3 and 4 are available, and