Foundation Universe is a 19-book series with 14 primary works first released in 1950 with contributions by Isaac Asimov, Aline Storto Pereira, and 2 others.
1953 • 253 pages
1953 • 179 Readers • 615 pages • 4.2
1964 • 33 Readers • 224 pages • 3.8
2014 • 2 Readers • 2,680 pages