Ruby 3, Part 2: The Invisible World

5 CDs audio book. Ruby is a comic science fiction treatment of the hardboiled detective genre; the original series took place on the planet of Summa Nulla ("the high point of nothing") although later series took Ruby to other planets and solar systems. Ruby the Galactic Gumshoe is the titular character of a radio drama series by the ZBS Foundation, written by Thomas Lopez. The first series, Ruby: Adventures of A Galactic Gumshoe was created in 1982, and the eighth and most recent was copyrighted 2009. In each of the series, Ruby is hired to solve some metaphysical problem for clients.