Carr - Numplis Paradox - New paperback or softback - X555z

Harish - Gamblers Paradox - New paperback or softback - X555z

Skocik - Mender's Paradox - New paperback or softback - X555z

Line - Paradox - New paperback or softback - 09 - X555z

Overall - Fermi Paradox - New paperback or softback - X555z

Quigley - Pirouette - New paperback or softback - 09 - X555z

James - Ultimate Conspiracy - New paperback or softback - 09 - X555z

Weir - Paradox The Rejected Cornerstone - New paperback or softback - X555z