Another 10 chapters of this twitter-sized novel have been finished. They can be found here (updates per 10 chapters): http://www.textnovel.com/story/The-Gate-to-the-Middle-Kingdom/8636/
And here (updates per single chapter): http://www.textnovel.com/story/The-Gate-to-the-Middle-Kingdom/8636/
In other news, there will likely be a sequel to The Fire of Mars, though there is no certainty concerning the publishing date as of yet. Something is being worked on at this moment though, and it looks pretty good!