Nancy Drew and the Hidden Note

My name is Nancy Drew. And I am a detective. I don't have a badge or a gun yet, but I always pay attention to injustice, deceit, and vile acts, and I know how to stop the villains. I have solved a multitude of crimes and am ready to share these stories with you. I love searching for answers to the most difficult mysteries, but when it comes to my dad's birthday, I just get lost and can't find the right gift! On top of that, I have discovered a completely terrible thing: the candidate for mayor of River Heights is hiding some awful secret about his daughter. I absolutely must find out what is going on. And preferably before my dad's birthday...