THE DARK BETWEEN THE LINES Mara Calloway notices everything. The scorch marks on burnt toast. The way someone's eyes map a room before they've said a word. The gray sedan parked two blocks from school, angled just right to watch the front entrance. Most people would have walked past the new kid and minded their own business. Mara is not most people. When Callum Voss arrives at Ridgeline Middle School with no social media, no digital footprint, and the practiced stillness of someone who has learned to be invisible on purpose, Mara knows two things immediately: he's hiding something, and whatever it is, it's already found him. A partial license plate. A man with a mechanical watch. A small black notebook snapped shut the moment she gets too close. Callum tells her to stay out of it. She tells him she'll try. They both know she's lying. Because somewhere between the facts, the observations, and the questions she can't stop asking, Mara is starting to understand that Callum's secret doesn't just belong to him — and that knowing too much about the wrong thing can make you exactly as visible as the person you're trying to protect. Some threads, once found, cannot be put down. Want me to adjust the tone — shorter, punchy, younger-feeling, or more thriller-forward?