Suppose someone showed up in YOUR classroom carrying an AK-47.

You have a split second:

To think.

To act.

To be a hero.

But what is a hero?

That question becomes all too real for Arielle, November, Jericho, and their friends. They've been through so much: the hazing ritual that left Joshua dead and hearts aching; November finding out that she was pregnant with Josh's baby. But senior year is going well, and when the fire alarm goes off in English class, everyone assumes that crazy Jack is trying to get out of another quiz. But the alarm was pulled for a very different reason. A potentially deadly reason. There's only a matter of seconds to stop a tragedy, and all eyes are searching for someone -- anyone -- to step up and do something.

This shocking conclusion to the two-time Coretta Scott King Honor-winning trilogy by Sharon M. Draper will have you holding your breath to the very last page.