In 1931 Shanghai, two Nationalist spies pose as a married couple to investigate a series of brutal murders causing unrest in the city.
- ISBN: 9781665905589
- Author: Chloe Gong
- Published: 2022 , Margaret K. McElderry Books
- Themes: action and adventure, Adventure, Adventures, Fantasy and magic, History, Love, Mystery, spy, War
- Descriptors: China, Fantasy, Historical Fiction, Young Adult (ages 14-18)
- No. of pages: 518