An invaluable reference source for postcard collectors, listing dates of fairs and auctions, a directory of postcard dealers, fair organisers and auction houses, and containing major features on postcard artists or themes. Early posting dates for postcard places and subjects, and a comprehensive overseas coverage, are other regular inclusions. It has been published annually since 1980 (except 1988) and the 38 volumes represent an immense selection of articles on postcard collecting.