"Historical Mysteries" by Andrew Lang is a collection of essays discussing various unsolved historical puzzles and intriguing cases, written in the early 20th century. The work examines notable incidents and mysteries, including the famous case of Elizabeth Canning, blending investigative narrative with an exploration of societal beliefs and judicial processes of the time. Lang aims to unravel the layers of these historical enigmas, offering insights into the characters and events involved. The opening of "Historical Mysteries" begins by presenting a mysterious case from 1753 involving Elizabeth Canning, a young woman who inexplicably vanished and later reappeared in a sorry state, leading to public fascination and a divided opinion on her credibility. Andrew Lang details the circumstances of her disappearance and the societal implications surrounding her tale. He recounts various narratives from those involved in the investigation, noting the contradictory evidence and the trial that followed, where Canning was accused of perjury due to inconsistencies in her accounts. This complex case serves as a window into the nature of truth, perception, and justice in 18th-century England, setting the stage for the exploration of other historical mysteries within the collection. (This is an automatically generated summary.)