This Encyclopædia Britannica 15th Edition Full Set. The set includes all the volumes of the encyclopedia, including Propædia, Micropædia, and Macropædia.  30 volumes in total. Four feet and four inches of all there was worth to know in 1978. The set is categorized under Antiquarian & Collectible and Books & Magazines.This beautiful leather-bound set completes a bookshelf or Library collection