六年级纽约女孩不断收到神秘的纸条，遇到奇怪的事情，开始明白要采取行动阻止致命危险发生，解开这个谜团。非常不错的小说！
By sixth grade, Miranda and her best friend, Sal, know how to navigate their New York City neighborhood. But things start to unravel. Sal gets punched by a kid on the street for what seems like no reason, and he shuts Miranda out of his life. The apartment key that Miranda's mom keeps hidden for emergencies is stolen. And then a mysterious note arrives. The notes keep coming, and Miranda slowly realizes that whoever is leaving them knows things no one should know. Each message brings her closer to believing that only she can prevent a tragic death. Until the final note makes her think she's too late.