OTHER BELIEF SYSTEMS
The tree house is a magic place that the children can see but others can't. Morgan le Fay is an enchantress. Her magic allows the tree house to transport the children through time and to the places they find in the books that are in the tree house. She is its owner. Annie is able to see the tree house because she believes in magic. In a previous book, Morgan le Fay became trapped by a magic spell. She needs four items to break the spell. The children travel through time to find those items for her.
The children chant to break a spell. Morgan transforms from a mouse to an enchantress and tells the children that there are certain wise individuals who can understand the language of animals and other creatures.