http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
When a weeping man in a strange costume passes their picnic spot and disappears into the nearby woods, a brother and sister decide to follow him and soon find themselves involved in the rescue of a werewolf in the 14th century.
Reprint of the 1st U.S. edition: New York : Morrow, 1980.