Spy School: The Rescue Games

Erica and other friends of Ben along with all of Joshua's money are stolen by an evil game maker, and he makes them compete in a challenge that applies to both of their skills, they have to go against each other, and only one will walk home with what was stolen from them in the first place, the other will never get it back, I do not own these characters, Stuart Gibbs does, I only own the plot