In her book "Obsidian," Jennifer L. Armentrout explores themes of attraction and mystery through the lens of teenage relationships. The story revolves around a new girl who moves to town and becomes entangled with her enigmatic neighbor, which leads to a mix of romance and suspense. The dynamics between characters highlight the complexities of first love, friendship, and the challenges of fitting in. The neighbor's persona adds a level of intrigue that captivates both the protagonist and readers alike.

A memorable quote from the book, "You know what they say about boys next door," encapsulates the charm and allure often associated with such characters. It suggests a playful acknowledgment of the expectations and fantasies tied to typical neighborhood romances. As the plot unfolds, this idea reinforces the themes of discovery and the unexpected depth that can lie beneath familiar facades, exemplifying the author’s ability to blend relatable experiences with a hint of supernatural elements.