SF Encyclopedia Picture Gallery
Stanton A Coblentz. Planet of the Knob-heads (Medford, Oregon: Armchair Fiction, 2016) [dos: first appeared December 1939 Science Fiction: pb/Frank R Paul]
Image courtesy of Armchair Fiction
Stanton A Coblentz. Planet of the Knob-heads (Medford, Oregon: Armchair Fiction, 2016) [dos: first appeared December 1939 Science Fiction: pb/Frank R Paul]
Image courtesy of Armchair Fiction