The 10, 000-year-old boy Time flies when you’re having fun . . . Even when you’re Mortimer De Vere, the 10, 000-year-old boy. But when unexpected and unwelcome visitors arrive on Mort’s home turf, the spooky Unk Island, he and his sister Agnetha will have their hands full dealing with some of the stranger hobbies they’ve tried to keep secret from one another and the outside world. Today may just turn out to be one of the most eventful days in Mort’s very long life!