The Signal

Cassian is a man who hears what others ignore: the groan of shifting tectonic plates, the hum of hidden surveillance, and the heartbeat of a killer. But when he's trapped on a mountain rigged for "Liquidation," his ears become his only map to survival.

From the "Timber Maze" to the "Salt Flats," Cassian is hunted by an elite recovery team led by the cold-blooded Silas Rourke. To survive, Cassian must manipulate the environment itself-using Doppler shifts to vanish from radar and resonance to...