Undated but circa 1980. 96pp, with numerous colour plate illustrations and line drawings in text. Cream cloth-covered boards with blue lettering on upper panel, gilt titles on the spine. 8vo. Cloth a little pushed in at spine ends. Upper text block edge dull. Internally neat, clean, bright and tight. In its original worn dust wrapper, quite heavily chapped at edges with a few short tears and chips and interior tape repair.