What if you could change it back. Following his massively successful novel Cehats the Dome. King sweeps readers back in time to another moment-a real life moment-when everything went wrong: the JFK assassination. And he introduces readers to a character who has the power to change the course of history. Jake Epping is a thirty-five-year-old high school English teacher in Lisbon Falls, Maine, who makes extra money teaching adults in the GED program. Harry escaped with a smashed leg, as evidenced by his crooked walk.