The Boy Who Cried Werewolf(1998)
(The third book in the Elvira series)
A novel by Elvira and John Paragon
Things are getting hairy in Elvira's neighborhood when Brad tries to convince her he's a werewolf and she must save him from the other folks in the neighborhood.
Used availability for Elvira's The Boy Who Cried Werewolf
December 1998 : USA Paperback
April 1998 : USA Mass Market Paperback