Came across the Amazon entry for Robert Curran's upcoming The Werewolf Handbook: An Essential Guide to Werewolves and, More Importantly, How to Avoid Them (August 1, 2010).
It's the cover that got me:
Hmm...now where have I seen that motif before...
Oh, yes, of course! Alain Pozzuoli's Dracula : Le lexique du vampire (2004)!