"If you keep walking that fast, you're going to trip over your own laces again," Anna said, glancing back with a grin. The local library had a very specific rule about the return slot: if the book was too thick to slide through the metal flap, you had to actually enter the building. Chloe had spent the last three years perfecting a technique of tilting a hardcover at a forty-five-degree angle to avoid talking to the librarian, a woman who smelled like old peppermint and took a personal interest in the reading habits of ninth graders. It was a small, silent victory, a tiny game of physics played against the bureaucracy of the public library system. "Give it back, Anna. I'm not joking," Chloe said, her voice tightening as she pivoted on the sidewalk. The victory of the library drop-off had evaporated, replaced by a sudden, sharp friction. Anna was already ten paces ahead, dangling a small, leather-bound notebook from her index finger like a trophy. It wasn't a valuable object in any monetary sense, but it contained the meticulously curated list of everyone in their year who had actually been honest about their feelings—a social map Chloe had spent months drafting. SUMMARY1: Chloe and her sister Anna have a playful but tense dynamic as they leave the library. The mood shifts when Anna steals Chloe's private notebook, which contains sensitive social observations about their classmates. Anna didn't stop walking, but she did look back, her expression one of genuine, misplaced curiosity. "I just wanted to see if Sarah actually likes Leo," she called out, her tone light and teasing. "You're always acting like you're the keeper of the school's deepest secrets, Chlo. It's a bit much, don't you think?" She stepped up the pace, the notebook fluttering in the morning breeze, treating the theft as a playful game of keep-away rather than a breach of trust.