Skyworld Series by Morgan L. Busse

What’s lurking in the Mist is the least of their worries… In a world where humanity lives in the sky to escape a deadly mist below, Cass’s only goal is survival. That is, until she finds a job on the airship Daedalus as a diver. Now she explores ruined cities, looking for treasure and people’s lost heirlooms until a young man hires her to find the impossible: a way to eradicate the Mist. Theodore Winchester is a member of one of the Five Families that rule the skies... moreWhat’s lurking in the Mist is the least of their worries… In a world where humanity lives in the sky to escape a deadly mist below, Cass’s only goal is survival. That is, until she finds a job on the airship Daedalus as a diver. Now she explores ruined cities, looking for treasure and people’s lost heirlooms until a young man hires her to find the impossible: a way to eradicate the Mist. Theodore Winchester is a member of one of the Five Families that rule the skies. Following in his father’s footsteps, he searches for the source of the Mist and hopes to stop the purges used to control overpopulation. But what he finds are horrifying secrets and lethal ambition. If he continues his quest, it could mean his own death. The Mist is rising and soon the world will be enveloped in its deadly embrace, turning what's left of humanity into the undead. less

Not everyone wants to see the world saved . . . Time is running out. Cities are being engulfed in the Mist and humanity is on the brink of extinction. Theo believes he has found a way to stop mankind from Turning, but he doesn’t know how to alter Cass’s unique blood into a cure. Or if it can even be done. Meanwhile, Cass struggles with the idea that she is possibly the savior of the world—a world she is not sure is worth saving... moreNot everyone wants to see the world saved . . . Time is running out. Cities are being engulfed in the Mist and humanity is on the brink of extinction. Theo believes he has found a way to stop mankind from Turning, but he doesn’t know how to alter Cass’s unique blood into a cure. Or if it can even be done. Meanwhile, Cass struggles with the idea that she is possibly the savior of the world—a world she is not sure is worth saving. From the Winchester manse to the steel city of Decadenn, there is something more chasing Cass than the House of Lords or the masked man who can walk in the Mist. Soon she must decide if she will use her blood to save mankind or let those who only care about themselves perish. less