The Witches: Salem, 1692 by Stacy Schiff, Little, Brown & Company, 421 pp.
The story’s a familiar one. In a frontier Puritan town, young girls were suddenly and dramatically afflicted with inexplicable ailments. Their bodies contorted. They grimaced and spat and howled. This behaviour would probably startle observers in 2016, but in 1692, in the straitlaced Massachusetts Bay Colony, it defied natural explanation.