Yast's Book of Good and Evil

{Infobox Unique Item |type=Book |discoveredby=Leslie Knuth |discodate=1009 April 3 |discoregion=Eidulb |island=Dwilight |prestige=+4 |abilities= |owner=Leslie Knuth }}

Found a mere twelve hours after a mysterious quivering took the land, this book is presumed (by Leslie) to have been the possession of the summoner of a demon.