Meet Cam Jansen, the fifth-grade detective who never forgets a clue! While hanging out at the shopping mall with her best friend Eric, Cam witnesses a daring robbery at the local jewelry store. The police quickly arrive and make an arrest, but Cam knows they have the wrong person. How? Because her brain works just like a camera! With a simple "click," she can recall every single detail of the real thief's face and escape route. Now, it is up to Cam and Eric to track down the true criminal and recover the stolen diamonds before it is too late. Packed with suspense, teamwork, and clever deduction, this classic chapter book is an exciting introduction to the beloved mystery series. Young readers will love trying to piece together the clues right alongside Cam!