From the depths of space comes a startling message: "We're Coming."

On the brink of war and hysteria, Earth must prepare for the arrival. But the question still remains as to who-or what-will actually arrive...

"His most successful and rewarding book in years." (Jonathan Strahan, Locus )

"A large-scale story [that] provides food for thought as well as fast-paced action." ( Library Journal )