Breaching the Perimeter

The high bookshelf was conquered, but the perimeter outside called to me! I dropped down from the shelf and stomped over to the window sill. A heavy curtain blocked my path like an enemy banner. Not on my watch! I drove my head into the thick fabric, shoving with my shoulders until a slit opened up. Through the glass, dark city lights glittered below. My fortress expands tonight; tomorrow, I conquer whatever lies beyond that glass!