Once upon a time, people knew their neighbors. They talked to them, had cook-outs with them, and went to church with them. In our time of unprecedented mobility and increasing isolationism, it's hard to make lasting connections with those who live right outside our front door. We have hundreds of "friends" through online social networking, but we often don't even know the full name of the person who lives right next door.

This unique and inspiring book asks the question: What is the most loving thing I can do for the people who live on my street or in my apartment building? Through...