publisher: Pathfinder Press (NY) publish date: June 1st 1975
format: paperback pages: 379
language: English
ISBN:
0873484185 (9780873484183)
publisher: Pathfinder Press (NY) publish date: June 28th 1972
format: hardback pages: 416
language: English
ISBN:
0873481941 (9780873481946)