SF Encyclopedia Picture Gallery
Stanton A Coblentz. Hidden World (New York: Avalon Books, 1957) [first appeared March-May 1935 Wonder Stories as "In Caverns Below": hb/Ric Binkley]
Image courtesy of L W Currey, Inc
Stanton A Coblentz. Hidden World (New York: Avalon Books, 1957) [first appeared March-May 1935 Wonder Stories as "In Caverns Below": hb/Ric Binkley]
Image courtesy of L W Currey, Inc