Book 1
PANDEMIE (Retreat 1)
Craig DiLouie, Stephen Knight & Joe McKinney
Book 2
SCHLACHTHAUS (Retreat 2)
Stephen Knight, Craig DiLouie & Joe McKinney
Book 3
Retreat 3: Stirb lachend!
Joe McKinney, Craig DiLouie & Stephen Knight
Book 4
ALAMO (Retreat 4)
Craig DiLouie
Book 5
FEUERPROBE (Retreat 5)
Stephen Knight
Book 6
ENDSPIEL (Retreat 6)
Craig DiLouie, Stephen Knight & Joe McKinney