Catherynne M Valente

For as long as they can remember, the twin endermen Fin and Mo have lived in the mysterious land of the End. On the outskirts of the great enderman city of Talos, they explore ancient ruins under the watchful gaze of the mighty ender dragon. They have everything they need in the end ship they call home, and know everything there is to know about their world -- or so they think until the strangers from another dimension arrive. The invaders are called...