Merlin has a new mission for Jack and Annie: save the Grand Lady of the Lagoon from a terrible disaster! To find her, they must travel back in time to Venice, Italy, on the night of Carnival. But before long, they find themselves thrown into a rat-infested dungeon! How will Jack and Annie save themselves and the Grand Lady, too? Does their new book of magic rhymes hold the key? Find out in...

MAGIC TREE HOUSE
Carnival at Candlelight