publisher: Pathfinder Press (NY) publish date: June 1st 1971
format: paperback pages: 286
language: English
ISBN:
0873481917 (9780873481915)
publisher: Pathfinder Press (NY) publish date: January 1st 1971
format: library binding pages: 286
language: English
ISBN:
0873481925 (9780873481922)