By Megan Daley
Updated June 24, 2015 at 02:00 PM EDT

The first book of Scott Sigler’s Generations Trilogy, Alive, find its teenage heroine trapped in a coffin, with no memory of who she is or how she got there—but she knows she isn’t alone.

The best-selling author is set to drop the sci-fi adventure on July 14, and EW has your first look with the debut of the chilling book trailer. It features the protagonist fighting her way out of a casket with bloodied hands, determined to find answers.

“I still don’t know who I was, but now I know who I am and I’m not alone anymore,” she says. Check out the full trailer above.