SUCH an awesome book! Much more action than Boneshaker, and I liked Mercy a LOT. There were trains, and zombies, and Texans with big guns, and shootouts, and mecha! And other fun stuff! Yay! All it needed was a bit of romance, and my life would be complete. Alas, no romance (not that I expected there to be, I mean Mercy's husband did just DIE and all). Anyway!Better review to come once I can calm down. :D