Netflix's 'Nightbooks' is a dark fairy tale with jump-scares and killer costumes

Is Nightbooks for kids? For grown-ups? After the fifth genuine jump-scare within 20 minutes, I'm scratching my head while covertly turning the sound down (an expert scare management move).

But whoever it's for, my heart rate is up, folks.

Based on J. A. White's 2018 book of the same name, Nightbooks focuses on a kid called...