Adam Daley is a 16-year-old high school student and the main character of The Rule of Three. After the power outage, he is one of the only people left with a functioning car, because his car has no computers it is not affected. He is the son of a pilot, however, his father is not present in The Rule of Three, because he is stuck in another state due to the fact that almost no vehicles are functioning. His mother is a police officer. His best friend is Todd. His crush who later in the story becomes his girlfriend is Lori Peterson.