Terence Conran has a knack for paring a room down its bare essentials. In Bathrooms: Simply Add Water, Conran offers a comprehensive guide to bathroom design; consider it essential reading for anyone embarking on a bath remodel.

Above: Terence Conran Bathrooms: Simply Add Water, is $13.29 at Amazon.

Above: Conran’s own bath features a circular fireplace, double sinks, a towel warmer.