by Blake Crouch.

After being attacked and abducted, physics professor Jason Dessen wakes up in a life that is not his. Or at least, not his life as he remembers it. It’s a version of what his life could’ve been if, say, 15 years ago different decisions had been made. Trying to navigate this new life while figuring our how he got there, if the life he remembers is real, and whether he can get back to it and the family he loves soon lands him in worlds of trouble. Literally and f...