Osborne, Mary Pope.
Summary: In their magic treehouse, Tom and Lé are again transported to King Arthur's realm, where invisible beings, giant ravens, and mistaken magic spells have a duke's castle in an uproar on Halloween night.
Format: text
Publisher / Publication Date: Bayard Jeunesse 2006
Copies Available at Peninsula
1 available in Juvenile, Call number: J468 OSB FRENCHOsborne, Mary Pope.
Summary: In their magic treehouse, Jack and Annie are again transported to King Arthur's realm, where invisible beings, giant ravens, and mistaken magic spells have a duke's castle in an uproar on Halloween night.
Format: text
Publisher / Publication Date: Random House 2003