Trill spun, stared at me like I'd slapped her. Cable cursed softly and shrugged. A black tunnel formed and I gaped at them, though I could see a faint glimmer of Harvard Yard on the other side. So, they couldn't travel between planes, per se. The connection between Boston and the Stronghold must have given them something to latch onto.

At least, I hoped that was the case.

Trill continued to hold my gaze as her friends filed ...