Van Richten's Monster Hunter's Compendium, Vol One (AD&D 2nd Ed Fantasy Roleplaying, Ravenloft)

Few creatures trike more terror into the hearts of AD&D game characters and their players than these vile beings. They grip one's heart in a fist of fear from which no escape is possible. Van Richten's Monster Hunter's Compendium Vol 1 contains the complete texts of Van Richten's Guide to Vampires, Van Richten's Guide to Werebeasts, and Van Richten's Guide to the Created, updated and usable in any AD&D campaign.