The Spiderwick Chronicles: Trailer

When the three Grace children -- troubled Jared; his bookish twin, Simon; and their sister, Mallory, a fencing jock -- move to the ancient Spiderwick mansion, they are at first none-too-enchanted by the rundown Victorian ... until they discover a Brownie, an enchanted creature, living in the walls. They soon find a book -- Arthur Spiderwick's Field Guide to the Fantastical World Around You -- that will open their eyes to the invisible, odd, and sometimes dangerous world of dragons and boggarts, phookas and fairies, sprites and goblins that is all around them.