My Twilight 23 — Nicola Vallera

Helen's mundane school day takes a dramatic turn when a mysterious substitute teacher, Miss Temporal, claims to be from the future with a dire warning about time travel. Meanwhile, Robin Muller, a profoundly introverted writer, finds solace in his whimsical characters and turns his rejections into inspiration for a new story about a writer battling a malevolent online antagonist.