A complete exploration of the health and well-being implications of access to natural daylight illumination and views to the outdoors. Makes the case that appropriately timed exposure to daylight is essential to our health and well-being, tied to the very genetic foundations of our physiology and cognitive function. Helps the reader appreciate the subtlety, beauty and pleasures of well-daylit spaces and attractive window views, and how these are woven into the fabric of our daily sensory experiences, and determined by the design of our buildings, cities, and cultural perspectives. Written to engage and challenge a variety of readers, including all forms of building and urban designers, plus anyone interested in human health and wellbeing, from medical researchers to the occupants of all types of buildings.