Maddy and Grace Fight the Fog. Having fun is the goal of every kid on summer vacation. But having a wonderful time comes with awareness and responsibility. Maddy and Grace find out what happens when they ignore safety precautions while pursuing their favorite adventure. This is their story of fun, excitement, and unbelievable danger. Enjoy the ride. A sequel to Maddy's Dream Maddy and Grace at the Racetrack Maddy and Grace meet the Alien Maddy and Grace solve the Crime Maddy and Grace at the Haunted House