“We cannot go back now, Betty!” Ina said, her voice not quite a whine but close to it. She had locked arms with her sister and they stood before me. It took me by surprise because I hadn’t voiced my concerns about them being with us and my feeling that they needed to go back.

“Girls, you can’t stay with us,” I scolded them, “remember what I said back at the Passage? Remember that I said it would be too dangerous? Well, that has not changed, you need to go b...