In this thrilling debut, worlds collide as Elsa unveils a deep political conspiracy seeking to unlock the most dangerous weapon ever created and only she can stop it.
- ISBN: 9781250112767
- Published: 2018 , imprint
- Themes: action and adventure, Alternate history, Historical Fiction, steampunk
- Descriptors: Europe, Italy, Science Fiction, Young Adult (ages 14-18)
- No. of pages: 336