One Man's Island (One Man's Island Book 1‪)‬

Be very careful about what you wish for…Sergeant Major Tim Flannery's personal life is in shambles. Just home from his sixth combat tour in Afghanistan, His wife has left him, his house is in foreclosure, and he feels like his entire world has disintegrated. With almost thirty years' military and civilian police experience, he's always been able to make the right decisions in tight spots, but waking to find he's the sole survivor, after the entire Earth's population is dead from an unknown calamity from the cosmos, he's at a loss. Or is he? Follow him across a Continent, and then an Ocean, to find his fate, to see if one man can change the world, make a difference, make the hardest decision of his life, and save humanity once and for all…