Used book – Terrienne, Jean-Claude Mourlevat

It all begins on a country road... After receiving a message from her sister, who disappeared a year ago, Anne sets out to find her and... crosses "to the other side." She finds herself in a parallel world, a place devoid of humanity, but where she will nevertheless meet unforgettable allies. To rescue her sister from this terrifying universe, Anne will go to any length, risking her life. And she will discover herself: an Earthling.