Wooooo! I've always thought of the proper title for this hypothetical book as "Sky fire" (to bring it full circle, you see). "Sky children" makes me think it'

Wooooo! I've always thought of the proper title for this hypothetical book as "Sky fire" (to bring it full circle, you see). "Sky children" makes me think it's a stealth quadrilogy. Sooner or later it's got to cycle. "Children of Fire?"