Gallman - DoomsDay Dan - New paperback or softback - X555z

Newman - 60 Signs for Doomsday - New paperback or softback - X555z

Six - Doomsday Nine - New paperback or softback - X555z

Mishra - DOOMS DAY - New paperback or softback - X555z

Martin - C.H.A.R.O.N. - New paperback or softback - X555z

Israel - UnitArmy Doomsday Device - New paperback or softback - X555z

McCoy - Owl Mountain Doomsday Solution - New paperback or softback - X555z

Rolfe - Countdown to Doomsday - New paperback or softback - X555z