The day she turned eleven, Effie’s father showed her how to die.
“Even the best aeronaut can be taken down by a spark,” he said, his hand tracing the air between the Asmodeus engine and the oil-varnished paper over their heads. Effie swallowed. The ground below the air balloon looked unreal now, falling away into a picture of farmland and houses. But the hot flame that licked and danced before her—that threat seemed real.
—Siobhan Carroll, "Asmodeus Flight," Ghost in the Cogs