DARK MATTER: Part 6--Third Arc Finale. President Blades back is against the wall, and hes considering truly desperate options. The Clarke astronauts try to wrest control of the planet-killing Chandelier away from the alien Builders. A great city is destroyed. A sacrifice is made. Deep truths are revealed. Its the end of the world, and the latest game-changing chapter in the Letter 44 saga. Date Available: 09/09/2015