Historia Universal Asimov is a 11-book series with 11 primary works first released in 1965 with contributions by Isaac Asimov.
1968 • 2 Readers • 305 pages • 3
1971 • 2 Readers • 313 pages
1967 • 3 Readers • 336 pages • 4
1965 • 1 Reader • 5
1966 • 3 Readers • 261 pages
1968 • 256 pages
1969 • 291 pages
1969 • 2 Readers • 278 pages • 2
1973 • 274 pages
1975 • 1 Reader • 362 pages
1977 • 1 Reader • 295 pages