Betrayed and brought to the brink of destruction. . . The captain and crew of the great bronze airship Kubla Khan have finally managed to repair their ship and heal the crew enough to get back to their mission.But in that deadly place they call the Miasmic Expanse, Captain Howard Hughes now discovers the path home is lost. The only world they know how to find, is the one they have just left.Finding their way home could take years, but as the crew begin their search, they discover another world, a third copy of the world they call home. But unlike the world they have just left, this one is on the brink of destruction, and some of its inhabitants are desperate enough to try anything in order to save themselves.Can Captain Hughes and the crew of the Kubla Khan help to save this world from the creatures which have so nearly overrun it, or will the lies and deceit of a few desperate people lead to the destruction of the Kubla Khan for a second time.By a Blue and Crimson Light is the second volume in the 'Glass Darkly' diesel-punk series.