He asked for spare change; she kept walking. But something made her turn around and go back. They met nearly every week for years, and built an unexpected, life-changing friendship that has today spanned almost three decades.

"From the #1 New York Times and international bestselling authors of An Invisible Thread comes a heartwarming and inspiring book about the incredible impact that acts of kindness from strangers can have on the world around us. One day in 1986, Laura Schroff, a busy ad sales executive, passed an eleven-year-old boy panhandling on the street. She stopped and offered to take him to McDonald's for lunch. Twenty years later, at Laura's fiftieth birthday...