Complete set, in 25 volumes. Books measure 26.5x18.5.cm. Circa 15,000 pages, illustrated. Bound in original publishers red cloth, with gilt decoration and title lettering on spines. Cloth lightly rubbed, very minor wear, two volumes have fading on spines. Generally all volumes in very good clean bright condition. Internally, some general light spotting. Pages in good clean condition. A very nice set.