Chicago: Workers' Truth Publications, 1983. Paperback. x, 297p., plain printed buff wraps, 8x5 inches; volume one only (of two). Perfectbound and very liable to crack mid-textblock, one crack has developed already, no loss of leaves. Cover slightly grimy from handling and dust. Grunewald was most likely the pseudonym of Lynn Unruh. OCLC shows only one holding at the Library of Congress (for both volumes).
"The author is a member of the Organization for a Marxist-Leninist Workers' Party, and expresses the viewpoints of that organization."