This probably one of the moment where you may bow to the awesome storytelling by Julie Kagawa. I mean, its hard enough to write in first POV and to immediately switch characters without too much putting subtleties into preparing her readers for the next book is superb. I hope the POV of "The Iron Knight" is Ash. Beside's the title gave a hint to what will happen to Ash btw. 
 Have I said it was a superb novella? well, it certainly made me want to time travel, thats for sure.