Published by Ann Arbor- Humphrey Science Publishers, Ann Arbor, MI, 1970
Seller: Indy Library Store, Indianapolis, IN, U.S.A.
Hardcover. Condition: Good. 3-volume set; published 1970-72; text unmarked; name on each flyleaf; also, Vol. 3 has business library stamp on title page; edges and spines darkened; DJ missing from Vol. 2; DJ of Vol. 1 is in good condition, discolored as described and one small edge tear; DJ of Vol. 3 shows more wear, scuffed and rubbed; several scratches and edge tears; Vol. 3 upper corners bumped.