'Not just a master of our darkest dreams but also a literary juggler' THE TIMES on Dean Koontz.

Slim MacKenzie knows what they are, what they do - and how they hide in human form. He is blessed - or cursed - by twilight eyes. He can see the diabolical others through their innocent human disguise. He's already killed one of them.

And he'll kill again...

But even the grave won't hold them...