See how a smile can spread, and celebrate how joy and small acts of kindness brighten the whole world​.

During a rainy morning in the city when everybody is in a rush, a child sees something unexpected-a smile! Once he catches it, he can't stop sharing it. The smile moves from person to person through the city-and maybe around the whole world.

Maya Shleifer's beautiful celebration of the infectious and healing power of joy will leave readers smiling.