Star StuffBy: Stephanie Roth Sisson Illustrator: Stephanie Roth Sisson For every child who has ever looked up at the stars and asked, "What are they?" comes the story of a curious boy who never stopped wondering: Carl Sagan. When Carl Sagan was a young boy he went to the 1939 World's Fair and his life was changed forever. From that day on he never stopped marveling at the universe and seeking to understand it better. Star Stuff follows Carl from his days star