The Hangman's Revolution (W.A.R.P. Book 2)

F B I Agent Chevie Savano is trapped in a nightmare future.. Unless she can return to 19th-century London and change the course of history, millions will die. Luckily she has Riley the boy magician and a Victorian gangster to help her battle two crazed villains, who have brought the military technology of the future back in time.