t in, because he has Sickle Cell Disease. Sickle cell prevents him from participating in the activities that other kids get to do, like sports, swimming, and more. After changing schools, Austín makes new friends, including Cheyanne, who also has sickle cell, and she introduces Austín to Camp Crescent Moon, a camp for kids with Sickle Cell Disease. Join Austín and Cheyanne in Camp Crescent Moon, filled with fun and adventure, while also learning more about Sickle Cell Disease!