Generating over $12 billion in annual sales, kosher food is big business. It is also an unheralded story of successful private-sector regulation in an era of growing public concern over the government's ability to ensure food safety. Kosher uncovers how independent certification agencies rescued American kosher supervision from fraud and corruption and turned it into a model of nongovernmental administration.

Currently, a network of over three hundred private certifiers ensures the kosher status of food for over twelve million Americans, of whom only eight percent are...