The Deep is the center of the Sector—its dark, dangerous Heart. It’s the Deep that leads Danila Astrakhan and his companions into a strange place. Here the physical laws are distorted; here live vicious creatures and even more vicious people… or not people? Is this an experimental military proving ground, another world, a new Sector, or something entirely different? And what is that GLANCE the heroes feel constantly here? Someone—or something!—is watching them… A mysterious hostile MASTER who doesn’t want to reveal to outsiders the incredible secret of these astonishing territories.