Sojourner by Michael J. Findley
Price: Free! 10730 words.
Published by ffvp on May 27, 2012. .
Mark and Michelle just have to survive. Well, they also have to make it home from Titan. And if they don't have a full load of Methane in the giant Gas-harvesting Balloon Ship Sojourner, everything they and dozens of other families invested will be lost. Loneliness, constant repairs, violent gas storms and government seizure aren't the only things keeping them awake at night.