Bill and Tricia Moser were living in one of America's wealthiest communities when they stepped away and began a journey that led to a horse-and-buggy Amish life.

No more BMWs. No more architectural or medical careers. Instead, the Mosers drew close with their children, built pallets for money, wore homemade clothes, and bonded with people of their Amish faith and community. Here, in Becoming Amish, they offer a modern couple's honest perspective on that separate and seemingly cloistered world, a perspective that is uniquely insider and outsider at the same time.

The...