Zalkins' Handbook Of Thimbles & Sewing Implements, by Estelle Zalkin. 304 Pages. Softbound. This fact-packed and impressively illustrated handbook finds values for collectible sewing implements from needlwork tools to pin cushions, clamps, workboxes, and more. You'll find a wealth of information on research sources, and learn how to spot variations and reproductions, catalog a collection, and located other valuable collectible objects. $24.95 (BK-0245)