James Patterson's most emotionally gripping thriller ever--the story of Emma Blake, a young woman who puts everything on the line for the world--and herself.

What Emma Caroline Blake has planned at New Hampshire's Ridgemont Academy is shocking.

Her school blames a heartbreaking tragedy in her family.

Her best friends point to her most recent social media.

Her teachers, even her father, say it's a drastic cry for help.

But Emma doesn't want help. She wants to make a difference. Now. Today. Not tomorrow.

She's going to walk through fire to change the world.