My #1 City spies theoryby CcTheGood22
This is a theory I created about Tru and Clementine. I call it the Tru Theory. If you want to read this please make sure you read City Spies 1-5. THERE ARE HUGE SPOILERS...
Completed
Spy School and City Spies Crossove...by Zan233
A collection of crossovers between City Spies and Spy School.
Crossposted from AO3