Germany, 1659: When a dying boy is pulled from the river with a mark crudely tattooed on his shoulder, hangman Jakob Kuisl is called upon to investigate whether witchcraft is at play in his small Bavarian town. Whispers and dark memories of witch trials and the women burned at stake just seventy years earlier still haunt the streets of Schongau. When more children disappear and an orphan boy is found dead, marked by the same tattoo, the mounting hysteria...

1662. Alpine village hangman Jakob Kuisl receives a letter from his sister calling him to the imperial city of Regensburg, where a gruesome sight awaits him: her throat has been slit. Arrested and framed for the murder, Kuisl faces first-hand the torture he's administered himself for years. Jakob's daughter, Magdalena, and a young medicus named Simon hasten to his aid. With the help of an underground network of beggars, a beer-brewing monk, and an...

Internal Time combines storytelling with accessible science tutorials to explain how our internal clocks work--for example, why morning classes are so unpopular and why "lazy" adolescents are wise to avoid them. We learn why the constant twilight of our largely indoor lives makes us dependent on alarm clocks and tired, and why social demands and work schedules lead to a social jet lag that compromises our daily functioning. --from publisher description...