In "The Castaways of Ythaq", humans travel through space and have colonized many worlds. When the space cruiser of the White Star Line, the "Comet Mist", crashes on a mysterious planet, our heroes are thrown into a ruthless survival amid the strange inhabitants of Ythaq.

The young and intrepid astronavigator Granite Welgoat, the poetic technician Narvath Bodissey, and the beautiful yet materialistic Callista de Saramore must understand the rules of Ythaq if they want to survive and leave this strange planet...