The Amulet's Curse

A year after her discovery of magic trees in their local park, Isabel and best friend Jess are on a school excursion to Kew Gardens.  They come across Kew Palace and, knowing nothing about its history, decide to sneak into the library. A painting on the wall in the library catches Isabel's eye and she realises the man in the painting is wearing the amulet.  When they head for home to tell Isabel's...