While on a mission to prove to Merlin that they can use magic wisely, Jack and Annie travel to seventeenth-century Venice, Italy, to save the city from disaster. Merlin has asked Jack and Annie to help on another Merlin Mission. This time they head back into history to Venice, Italy, in the 1700s. With the help of some new friends, a research book, and a mysterious rhyme from Merlin, the heroes will save the beautiful city from a flood! Yet another Magic Tree House book that will engage kids with history, magic, and nonstop action from beginning to end. 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 over 250 years ago to Venice, Italy, on the night of the annual Carnival celebration. But Merlin's directions are very confusing! As Jack and Annie wander among the costumed crowd, no one is who they seem to be, the clocks all tell different times, and water is mysteriously rising in the streets. Seeking help from Venice's ruler, they find themselves thrown into a dark dungeon filled with rats. How will Jack and Annie save themselves and the Grand Lady, too? There can only be one solution-magic! Mary Pope Osborne is a master of bringing faraway places to life. In Carnival at Candlelight she sends young readers to one of the most glorious cities in the world for an adventure filled with history, mystery, and magic.