Are both The Black Cauldron and In Search of the Castaways both based on books by Jules Verne?
The Black Cauldron (film) The Black Cauldron is a 1985 American animated dark fantasy adventure film produced by Walt Disney Feature Animation in association with Silver Screen Partners II and released by Walt Disney Pictures. The 25th Disney animated feature film, it is loosely based on the first two books in "The Chronicles of Prydain" by Lloyd Alexander, a series of five novels that are, in turn, based on Welsh mythology.
Cauldron (McDevitt novel) Cauldron is a science fiction novel by American author Jack McDevitt. It is the sixth novel in the Academy series, featuring Priscilla Hutchins.