I'm reading 11/22/63 by Stephen King. It's about time travel and what may happen if you go back in time and change things. Of course, it has Stephen King type twists to it and has parts set in Derry, ME (where It and other books were set). Parts are also supposed to be in Dallas so the main character can stop Oswald from assassinating Kennedy. It's good so far but I'm only like 1/10th through it. It's HUGE!
My son made this for me: