Auzou Book for deadly hide-and-seek

Holly Thorn keeps her eyes closed. She's crouched in a small tunnel, a perfect hiding place. She's hard to find, let alone catch. And indeed, no one can find her. And when she opens her eyes, everything has changed... And so begins a relentless race for Holly and her brother. Running, not stopping. Because if Elle catches up with them... they'll be trapped in this world forever. The deadly hide-and-seek has begun.