From blanket fairs to night kings, curfews to crime, 'At Day's Close' is an intriguing and captivating investigation into the night. Until now, this rich and complex universe in which we spend nearly half of our lives was a world long-lost to historians. Here, Ekirch explores how the night was lived in the past, through travel accounts, memoirs, letters, folklore, poems, court records and coroner's reports. More than this, it is a passionate argument in the case for less artificial light in an increasingly bright world.