Locke & Key v04 - Keys to the Kingdom (2011)

Collects Locke & Key: Keys To the Kingdom #1-6 plus bonus materials!
Joe Hill and Gabriel Rodriguez's Locke & Key unwinds into its fourth volume in Keys to the Kingdom. With more keys making themselves known, and the depths of the Locke's family's mysteries ever-expanding, Dodge's desperation to end his shadowy quest drives the habitants of Keyhouse ever closer to a revealing conclusion.