A skydiver beams with excitement as she steps out of the plane. A little girl shrieks gleefully as her father lifts her high into the air. In this special collection of images by some of the most renowned photographers of our time, induding Henri Cartier-Bresson, Elliott Erwitt, and Mary Ellen Mark, Bruce Velick has arrayed black-and-white photographs full of good cheer of people smiling and laughing the world over. And, since laughter is always best...