[6.4/10] Not everything that works on the page works on the screen. Adaptation is an art all its own, and translating a story or a mood or a character from one medium to another is its own kind of magic. *The Last Unicorn* film has the advantage of Peter S. Beagle, author of the source novel, writing its screenplay. And it still feels like a pale reflection. Much of that owes to the parts of the movie that Beagle, as scribe, has no control over. The vocal performances, the character designs…