An office worker is haunted by a secret from his past -- until a man takes over his company's human resources department.

Four retirees prepare to live out their final days in peace and contentment -- until a man moves into an empty unit, bringing mystery with him.

He's the same man every time.

And he's not a man at all.

He's... THE DEVIL YOU KNOW BEST!

Collected here in this ultimate volume of Critical Blast's THE DEVIL YOU KNOW series are 25 stories from new and seasoned voices of horror.