This book kicks off the new Magic Door series of fantasy chapter books. After an earthquake, young friends Michael, Sarah and Joey see a rusty door on the local toy shop swing open. When they step inside, they leave the modern world as they know it and step into the magical land of Great Kettles. They also step into a bit of trouble. In Great Kettles, a giant has stolen the moon. Now Sarah, Michael and Joey are the only ones who can help get it back!