Monstrumologist/Nightmare Fuel

• It's a horror series. Natch. From the first book alone we have...
  • A boy with tiny worms swimming around in his blood.
    • The same happening to the father, as the boy watched. He also watched his mother and father burn to death.
  • Anthropophagi. See here for a lovely picture by Keith Thompson.
  • Crawling around in the dark and mud in tunnels dug by man-eaters as they hunt you.
• The second book has Will Henry bitten three times, once by a regular monster but twice by the human-turned-Wendigo Chanler. It falls into Squick pretty quickly because Chanler only wants to eat Will's heart and tends to caress him while trying to kill him.