Foundation (Publication Order) is a 10-book series with 10 primary works first released in 1950 with contributions by Isaac Asimov and Martin H. Greenberg.
1951 • 1,572 Readers • 255 pages • 4
1952 • 584 Readers • 244 pages • 4
1953 • 518 Readers • 254 pages • 4.1
1951 • 312 Readers • 450 pages • 3.9
1986 • 256 Readers • 528 pages • 3.8
1988 • 262 Readers • 424 pages • 4
1993 • 192 Readers • 477 pages • 4
1989 • 8 Readers • 449 pages • 3.3
1989 • 2 Readers • 464 pages