Blake Crouch’s previous novel Recursion is one of the scariest time travel novels ever written. Crouch created a near-future ripped apart by the invention of time travel and the utter chaos it unleashes. Upgrade does not reach the same heights of invention as Recursion, but Crouch has more on his mind this time around. In a non-specific near future, the world is in serious trouble. Climate change is destroying urban areas and genetic experimentation has unleashed the worst catastrophe yet on humanity. In response, the […]