I don't actively look for vampire books. Or zombie books. (The only undead I like are skeletons.) That said, some horrific stories are so darned good that I have to like them despite my prejudice. The novella I Am Legend and the book World War Z were of that calibre. Old-fashioned horror like Frankenstein is just plain fascinating. And so is Rick Yancey's tetralogy that begins with The Monstrumologist.
The story begins with old folios and copious notes written by someone who appears to have lived an unusually long life. They chronicle Will Henry's days as an apprentice to a 'monstrumologist', a professional scientist who pursues and studies monsters. His new master, Pellinore Warthrop, is arrogant and mercurial, brilliant and generally uninterested in humanity. He's larger than life, yet he soon comes to find his young ward 'indispensable'.
These are the secrets I have kept. This is the trust I never betrayed. But he is dead now and has been for nearly ninety years, the one who gave me his trust, the one for whom I kept these secrets. The one who saved me . . . and the one who cursed me.
Orphaned Will Henry (never just 'Will') is taken in by this unlikely mentor and soon finds himself tested, body, mind and soul. How much horror can he endure and still remain himself? And can he avoid the fate of his father, Warthrop's assistant before him, who met... an untimely demise?
The writing feels like classic horror; the reader wanders street, crypt and drawing room in a Lovecraftian New England and then much further afield in the later books. It's absolutely accessible to teens (my 16-year old loves them), but I recommend this most often for people who like Dracula rather than Twilight.
The books are The Monstrumologist, The Curse of the Wendigo, The Isle of Blood and The Final Descent. Now that the last one is out, get them all. Freeze your holds until they're all ready. Set aside a weekend, pull the shades, and read by candlelight for maximum shivers. And then thank me or shake your fist and vow vengeance.
For other deliciously eerie fun (that involves beginning a career dabbling with dark forces) I also recommend Kenneth Oppel's series-in-progress featuring the apprenticeship of Victor Frankenstein. Start with This Dark Endeavour.