An adventure that will shake you up! That's what Jack and Annie get when the Magic Tree House whisks them back to California in 1906. As soon as they arrive, the famous San Francisco earthquake hits the city. Can Jack and Annie find the final writing that they need to help Morgan save Camelot? Or will San Francisco be destroyed first? Your head will spin when you read this book.
Jack and Annie are off on another Merlin Mission. This time, Merlin has sent them to rescue a beautiful magical creature—the unicorn. But when they land in New York City during the Depression of the 1930s, Jack and Annie are confused. Where will they find a unicorn in a big city?
Before Jack and Annie can out, the mysterious tree house whisks them back to the prehistoric past. Now they have to figure out how to get home. Can they do it before dark... or will they become a dinosaur's dinner?
When Merlin is weighed down by sorrows, Jack and Annie travel back to feudal Japan to learn one of the four secrets of happines.
Yikes! Mrs. Green is really green!