The ground vibrated. I lifted my head from my napping place on the books. The ground vibrated again. Shouts issued through the opening of the study door at the top of the stairs. Cherry rose, looking very concerned.

"What is it?" I asked.

"We're under attack."

I jumped to my feet and rushed upstairs. The metal stairs clinked under my short heeled boots. When I reached the top, brothers and sisters rushed down the halls. Most of them had guns out.

I snagged one ...