Nancy Drew is just 8 years old, but she is already solving mysteries! Can you help her and her two best friends, George and Bess, crack their first case? They are excited about being invited to Deirdre's sleepover party! There will be pizza, cake, and even a pajama fashion show. But the most exciting thing is that the party has a City Girls doll theme. All of the guests are bringing their dolls with them! But then Deirdre's City Girls doll goes missing. Is her sleepover ruined? Or is there a detective in the room who can make sense of this mystery? Recommended for ages 6 to 9.