New York: Facts on File, Inc. Mixed Editions. Octavo; VG-; dark blue spines with gilt text; 7 volumes: vol. 1, 1961-1965, pp 238, ISBN 0871961628, 1973, edited by Lester A. Sobel; vol. 2, 1966-1967, pp 504, ISBN 0871961628, 1973, edited by Lester A. Sobel; vol. 3, 1968, pp 332, ISBN 0871962357, 1974, edited by Stanley Millet; vol. 4, 1969, pp 232, ISBN 0871962365, 1974, edited by Stanley Millet; vol. 5, 1970, pp 196, ISBN 0871962373, 1973, edited by Lester A. Sobel; vol. 6, 1971, pp 246, ISBN 0871962381, 1973, edited by Lester A. Sobel; vol. 7, 1972-1973, ISBN 087196239X, 1973, edited by Edward W. Knappman; no jackets; cloths have mild exterior wear; tight bindings; strong boards; text block exterior edges show previous owner's information stamped to fore edges, except volumes 1 and 6; slight offsetting to endpapers to volumes 2 and 5; all volumes have previous owner's information stamped to front pastedowns; few notations to volumes 1 and 4; slight wear to interiors otherwise; illustrated; Shelved in Room x. More