Jack and Annie are ready for their next fantasy adventure in the bestselling middle-grade series—the Magic Tree House!
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?