From the author of the acclaimed bestseller Holes, winner of the Newbery Award and the National Book Award, comes a new middle-grade novel with universal appeal. Combining horror-movie suspense with the issues of friendship, bullying, and the possibility of ecological disaster, this novel will intrigue, surprise, and inspire readers and compel them to think twice about how they treat others as well as their environment.

Be careful. Your next step may be your last.

Fifth grader Tamaya Dhilwaddi and seventh grader Marshall Walsh have been walking to and from Woodbridge Academy together since elementary school. But their routine is disrupted when bully Chad Wilson challenges Marshall to a fight. To avoid the conflict, Marshall takes a shortcut home through the off-limits woods. Tamaya reluctantly follows. They soon get lost, and they find trouble. Bigger trouble than anyone could ever have imagined.

In the days and weeks that follow, the authorities and the U.S. Senate become involved, and what they uncover might affect the future of the world.