Which tabletop role-playing game published by Cubicle 7 is set in J.R.R. Tolkien's Middle-earth, in the time between "The Hobbit" and "The Lord of the Rings"?
Adventures in Middle-earth:  It is set in J.R.R. Tolkien's Middle-earth, in the time between "The Hobbit" and "The Lord of the Rings".
i don't know