6 books • 2 series
Secrets and Spies (Secrets and Spies, #1)
Secrets and Spies Complete Set (Secrets and Spies)
New World (Secrets and Spies, #4) (Curious Fox: Secrets and Spies)
Inferno (Curious Fox: Secrets and Spies) (Secrets and Spies, #3)
Plague (Secrets and Spies, #2) (Curious Fox: Secrets and Spies)
Treason (Curious Fox: Secrets and Spies) (Secrets and Spies, #1)