Young cam jansen and the speedy car mystery Young Cam Jansen Series, Book 16

At her school's Green Fair, Cam and her friends are learning how to keep the earth green. Everyone is having fun at the exhibits - until a student-s remote-controlled car goes missing! Was it stolen? It's up to Cam and her amazing memory to find Speedy. Cam Jansen uses her photographic memory at the school Green Fair to solve a mystery involving a missing electric car