X-link to the Comics megathread:
The new
Humble Jim Henson Comics Bundle presented by BOOM! Studios contains 3 novelizations for Henson's cult-classic fantasy films
The Dark Crystal (
IMDB,
Wikipedia) and
Labyrinth (
IMDB,
Wikipedia; the one with David Bowie in it) and
The Storyteller TV series, and a
Dark Crystal Creation Myths comic with contributions by Chelsey & Hugo Award-winning fantasy illustrator Brian Froud (
ISFDB,
Wikipedia), who was also the designer for the original films.
ETA: it turns out the novelizations are illustrated, and also have extra pages of sketches and behind-the-scenes notes from Froud himself.