Labyrinth:
the movie
Embassy Home Entertainment. 101 minutes.
Labyrinth: the novel
By A. C. H. Smith, a full transcript can be found here:
http://www.geocities.com/Hollywood/Hills/5788/novel.htm
Labyrinth: cassette soundtrack
12 songs: 6 with lyrics by David Bowie, and 6 purely musical by Trevor Jones.
Labyrinth: the Nintendo game
This game is only in Japanese, so far as I know. You can download it here:
Labyrinth Nintendo Game
More labyrinth stuff can be found here:
http://www.astrolog.org/labyrnth/movie.htm