MarsCon 2017 Zumaya Publishing 7 years ago ZP Author Kathryn Sullivan will be attending. At MarsCon 2017 we’ll be celebrating with a mash-up of science fiction, fantasy and hard science for good measure. The theme will be… Dragons in Space MarsCon 2017DateFebruary 4, 2017In relation toSimilar postMarsCon 2017DateFebruary 4, 2017In relation toSimilar postMarsCon 2018DateFebruary 25, 2018In relation toSimilar post