Dawn arrived properly this time, full daylight rather than the grey half light of the horn's first blast, and Marina stood at the window of their room watching it spread gold across the pack house courtyard while both girls slept, finally, tangled together in the bed she had refused to let them leave since carrying them home.

She had not slept. Every time she closed her eyes she heard the hum again, felt it under her palm where she had rested her hand against Sera's back through most of the last two hours, low and steady and utterly unlike anything she had learned to recognize in three years of studying...