SpyCam: The President Plot

Cam Noble thought she was just a normal fourteen-year-old girl. But when she receives a message from a mysterious spy organization asking her to help with a top-secret mission, she is plunged into an adventure unlike anything she'd ever imagined. The President is being threatened by a deadly villain, and it's up to Cam and two other kids hand-picked by the spy organization to stop the villain in his tracks. Cam thought she was normal... all that's about to change.
Called an "entertaining, well-paced read," by Tracie Fellers.