"Jérôme K. Jérôme Bloche" Les Êtres de Papiers

A baron vanishes after calling detective Jérôme for help. Jérôme travels to the gothic Château des Êtres de Papier in La Rochelle, where eccentric inhabitants, an impatient heir, a door-obsessed governess, a taciturn butler, and secret passages make it a perfect Clue board for murder.