Historians are usually more intrigued by what was than by what might have been. It is not surprising, then, that a relatively tame Elizabethan puritanism has been deposited in the mainstream of English Protestantism while some radical schemes, or what Peter Kaufman refers to as the "what might have been," are more or less overlooked. Thinking of the Laity features fresh evidence that the advocates of broadly participatory parish regimes...