When Jordan finds a treasure map at Camp Dakota, the hunt for hidden treasure is on! As the campers follow the map, they discover that time has changed some of the landmarks. They'll need to rely on what they know about rocks and changes to Earth's surface to have any chance of success. Will the old drawing still lead them to the treasure? And why is Jordan acting so weird? Look in the back of the book for experiments and more to help you become a science detective too!