Critical Insights is a 6-book series first released in 1968 with contributions by Kurt Vonnegut, Rodica Mihăilă, and 3 others.
1969 • 3 Readers • 198 pages • 3
1969 • 1 Reader • 212 pages • 5
1969 • 5 Readers • 196 pages • 5
1969 • 1 Reader • 190 pages
1968 • 1,547 Readers • 292 pages • 4.1
1969 • 37 Readers • 192 pages • 4.2