Memmott - Divine Paradox - New paperback or softback - X555z

Carr - Numplis Paradox - New paperback or softback - X555z

Harish - Gamblers Paradox - New paperback or softback - X555z

Scott - Paradox Chorale - New paperback or softback - X555z

Overall - Fermi Paradox - New paperback or softback - X555z

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

Meyer - Human Paradox - New paperback or softback - X555z

Niles - Cosmic Treason - New paperback or softback - X555z