7 books in series
Underground
Underground is a 5-book series with 1 primary work first released in 1977 with contributions by František Kotleta, Stephen Herczeg, and Richard Corben.
1977 • 1 Reader
1985 • 1 Reader • 80 pages
1986 • 1 Reader • 80 pages
1992 • 1 Reader • 64 pages