Sobre héroes y tumbas is a 6-book series first released in 1961 with contributions by Ernesto Sábato, Tudora Şandru Mehedinţi, and 2 others.
1961 • 1 Reader • 488 pages
1961 • 3 Readers • 5
1961 • 2 Readers • 480 pages
1961 • 1 Reader • 552 pages
1961 • 17 Readers • 542 pages • 3
1961 • 1 Reader • 543 pages • 4