The Deep Breath is a science-fiction novel about the chronicles of Nicolas Cain/Khan Antonius, a human assassin who has been named the newest Khan, an immortal protector of all the free peoples within this quadrant of twenty-eight million light years. This is a story that centers on Cain's past, his family, and his involvement in the future of humanity and all of its allies. Recently, his home planet has come under siege in the Milky Way, and it is up to him and his loyal deadly troops to raise Earth to its rightful place within the Terran Alliance, unify warring groups, and hold off the deadliest enemies in the known universe. The deadliest enemies of free will and liberty are on their way to the Milky Way Galaxy, and Earth is considered the greatest threat to their conquest of universal dominance. With enemies at their doorstep and coming from deep space, it will take all the courage, skill, and character to hold his beloved Terran Alliance together, while so many are trying to tear it apart.