John Bellairs/YMMV

Hell Is That Noise: The clock in The House with a Clock in its Walls.
High Octane Nightmare Fuel: Selenna Izzard being released from her tomb. Lewis's possession by Eliphaz Moss. The fate of the mummy's victims in The Mummy, The Will, and the Crypt. And that's just for starters.
Real Women Never Wear Dresses: Rose Rita hates her uniform skirt.
What Do You Mean It's for Kids?: Main character is possessed by a homicidal ghost. Main character about to be eaten by an evil zombie snake lady. Main character being hunted by, effectively, the Weeping Angels.