THE SIGNAL Seventeen years after a mysterious alien event destroyed civilization, Nyra Vale, a brilliant young hacker, uncovers a secret buried beneath the ruins of the old world. What begins as a search for the truth quickly becomes a terrifying discovery: humanity may have misunderstood the apocalypse from the very beginning. As strange signals return and creatures from beyond the stars begin hunting her, Nyra must uncover why the aliens came—and why they seem to know her name. The truth isn't waiting in the stars. It has been hiding beneath Earth all along.