Here's Chris Kohler's pencil sketch of what will be the first illustration in SENTINELS (vol. 3): APOCALYPSE RISING.
Jameson, the shadowy US Government official who heads up paranormal agent ops, is confronted at his desk by two exo-skeleton-clad... people...??
Who are they?? How did they get into the Pentagon??
Read APOCALYPSE RISING! Coming in August from Swarm Press!