Cary Simms: The Lost Yule Log:

From a young age, Cary Simms knew that she wasn't like the other boys her age. While she still wasn't sure the hows or whys, she was starting to think that it was more than just that she was a sorcerer. Learning magic at the Thorbjorg Prep School was interesting, once she got past the fears for her immortal soul. But with fifth graders not being allowed out of the magical realm, Cary and her friends are stuck behind at school for Christmas break. When the school's own traditions are waylaid...