Jack dashed around a few corners and popped open the door to his room. He grabbed two emergency bags from underneath the bed and handed one to Lexi. "Pack what you can fit in here and carry. Put on and pack clothes that will cover your whole body. We may have to go to the Surface."

Lexi unzipped the top of the pack. "What is all this stuff?"

"Emergency supplies. Just pack clothes and stuff. No books. Got it?"

Lexi shot him an upset look but nodded quietly. She ...