Dangerous Machinations - Bright White Darkness, #2

The 2nd book of the trilogy. It had happened to everyone and everything, everywhere! A dangerous science had led us all down a dark path. The whole world. In the first novel of the Bright White Darkness saga, the world was affected by an incredible alien machine, leading to the discovery of multiple dimensions and other terrifying versions of planet Earth. Humans battled in a race against time with the fearsome Skin, alien beings of staggering power and incredible ferocity.
Now, in Dangerous Machinations, a plot to attack the dreaded aliens and exploit other worlds is uncovered. Harker and the others must risk all to stop the assault and avert a war the human race could never hope to win. The enigmatic Lewis, with his mysterious alien genetics, is the humans' greatest weapon, but is he a hero or a monster? What is his connection to the alien beings? The dark, inexplicable entities wrapped in an indestructible skin.