"Originally published as Locke & Key: crown of shadows issue #1-6."

"Sam Lesser may be dead and gone, but Dodge still has uses for him, and in the first chill days of October, will make contact with him again. The dead know things the living may not, and Sam's restless spirit has had time to discover the thing Dodge wants to know most of all... where to find the key to the black door" -- from publisher's web site.