Answer:
Twin brothers Jared and Simon Grace move into Spiderwick Estate with their mother and sister. Once there, they find themselves surrounded by magical creatures.
Release date: 21 March 2008 (United Kingdom)
Director: Mark Waters
Music composed by: James Horner
Story by: Holly Black, Tony DiTerlizzi
Screenplay: David Berenbaum, Karey Kirkpatrick, John Sayles