A World Without Adults The Girl Who Owned a City is a book about young kids trying to survive in a world without adults because everybody over 12 died from the plague. The main character Lisa and many other older siblings had to take the position of the parent for the care of their little brother or sister. Lisa had to learn how to survive and take care of her younger sibling without an adult by her side guiding her on what to do. O.T Nelson made the characters 12 years and under to show that you