xii, 450pp, with many full colour illustrations. Purple cloth-covered boards with gilt lettering on the spine. Pale blue endpapers. Large and heavy 4to. Cloth a little rounded at corners, text block edges very slightly dust darkened. Internally neat, clean, bright and tight. In its original dust wrapper, very slightly bumped on extreme edges. Dust jacket now protected in a Brodart-style wrapper fitted without the use of tape or adhesives.
