Both volumes undated but circa 1970. 64pp; 68pp, both volumes with some line drawings and charts. Both volumes uniformly bound in glossy light card covers. 8vo. Both have gentle edge wear to card covers and a little shelf wear, with a previous price label on front panels. English Clay Tobacco Pipes has a little spotting on front panel. Some spotting along upper text block edges else neat, clean, bright and tight throughout.
