The boxed set is part of the Pulp Friciton 2013 Collection, and includes the full versions of:Triple ThreatRetribution (Triple Threat: 2)Defiance (Triple Threat: 3)Crucify (Triple Threat: 4)Duplicity (Triple Threat: 5)About Pulp Friction 2013The Pulp Friction 2013 Collection. Four authors. Four Series. Twenty books. One explosive finale. Join Lee Brazil, Havan Fellows, Laura Harner, and T.A. Webb for a year in the lives of four groups of friends who choose to call themselves family. When lives are on the line, they have each other's backs.Caution: Includes above the recommended allowance for attitude, mystery, and plenty of variety in (and out) of the bedrooms. Because real men get messy.