- Series: Palace of Spies Series Record # 40776
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Note: Historical young-adult mysteries with no known speculative elements.
- Palace of Spies
- 1 Palace of Spies (2013) [non-genre] by Sarah Zettel
- 2 Dangerous Deceptions (2014) [non-genre] by Sarah Zettel
- 3 Assassin's Masque (2016) [non-genre] by Sarah Zettel
