Osborne, Mary Pope. Magic tree house series. Merlin missions #2

Osborne, Mary Pope. Magic tree house series #30

Stepping Stone book

Also published: New York : Scholastic, 2010. 113 pages

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

Also published: New York : Random House, [2020?], c2003. 113 pages, 21 unnumbered pages

"Originally published in hardcover as Magic Tree House #30 ... in 2003"--Title page verso

460L