When an earthquake opens a door to the deep past, thirteen-year-old Logan finds himself stranded and running for his life. Suddenly allied with one of the most mysterious prophets of all time, Logan is thrust into a deadly conflict between the ancient Lines of Cain and Seth. Compelled to choose a side, the boy finds himself the target of powerful forces in the antediluvian world--yet his survival is the key to unlocking the mysteries of the distant future. With the arrival of Logan into the ancient past the End of All Days commences.