The Final Six Days (Time Crossers Book 1)

No memory. No identity. Six days to live.A man wakes up in the desert outside of Las Vegas on December 26th, sometime in the future, where everything around him feels strange and foreign. He soon learns that a civilization-busting asteroid is about to crash into Las Vegas in six days. After wandering aimlessly in the dystopian final days with Cassie, a young attractive woman who has a fetish for helping lost souls, they spend their final moments together before being incinerated by the crashing fireball. But instead of dying, he awakes in the same location as before, discovering that he is living the same six days over and over. With the help of a mysterious former NASA scientist, he formulates a plan to save himself and Cassie by taking shelter in one of the government's top secret underground survival shelters. But along the way, he uncovers clues that suggest not all is what it seems, and through introspection, he wonders if he is meant for a greater purpose.