The setting of the novel can also be very appealing. If 'come the night novel' is set in an interesting location, like an old, haunted mansion or a post - apocalyptic city, it can really add to the overall atmosphere and intrigue of the story. Also, the writing style, if it's very descriptive and vivid, can make the reading experience truly immersive.
Often, the plot twists are a big draw in novels. In 'come the night novel', it might have some unexpected turns that keep readers on their toes. For example, a character that was thought to be a friend turns out to be an enemy, or a mystery that seems impossible to solve suddenly has a clear solution.