Jack and Annie travel back in time to a South American rain forest in search of the elusive magician Morgan le Fay. Will they find a new clue to her whereabouts before they are trampled by stampeding killer ants?
The 'Magic Tree House' series follows the adventures of 8-year-old Jack and 7-year-old Annie, a brother and sister who find a mysterious tree house filled with books in the woods near their home. The tree house belongs to Morgan le Fay, a magical librarian from the time of King Arthur, who sends Jack and Annie travelling through time and space to help free her from a spell. Each book is its own adventure, and with each book Jack and Annie move closer to becoming Master Librarians themselves!