Don't judge this book by its title or cover. I read one other review that was "disappointed" because there was no true horror in the book, as well there should not be because this is a hero, or perhaps anti-hero book. What can I say, it is one of my favorite books read this year, but I would not have picked it up if I hadn't just read the other Wells' books and been impressed with them too.
Our main man came from the wrong side of the tracks years before and when his adopted father was killed, began using all of those old skills in an adopted identity to avenge the death (hello Bruce Wayne). Moving through society and having a loyal set of helpers who he has "saved" in various manners through the years (hello Lamont Cranston), he has a noble heart, but uses whatever methods work for him.
In his role as the great dark figure of the underworld (Moriarty), there is only one inspector who has gained his respect over the years (hello Sherlock) and who he might be willing to grudgingly cooperate with.
Now, someone is using devices very similar to those invented by his late adopted father, and he may have to choose between revenge for the past and justice in the present?
Strong characterization and a gothic (Gotham?) setting, with some magic and mystery thrown in, I thoroughly enjoyed this book.