Mysterious, fascinating, and deeply movingexploring the very nature of what it means to be human.ALEX MICHAELIDES, #1New York Timesbestselling author ofThe Silent PatientandThe Maidens

You dont so much sympathize with the main character as live inside his skin.DIANA GABALDON, #1New York Timesbestselling author of the Outlander series

Walks the fine line between page-turning thriller and smart sci-fi. Another killer read from Blake.ANDY WEIR, #1New York Timesbestselling author ofThe MartianandProject Hail Mary

The mind-blowing new thriller from theNew York Timesbestselling author ofDark MatterandRecursion

You are the next step in human evolution.

At first, Logan Ramsay isnt sure if anythings different. He just feels a little . . . sharper. Better able to concentrate. Better at multitasking. Reading a bit faster, memorizing better, needing less sleep.

But before long, he cant deny it: Somethings happening to his brain. To his body. Hes starting to see the world, and those around himeven those he loves mostin whole new ways.

The truth is, Logans genome has been hacked. And theres a reason hes been targeted for this upgrade. A reason that goes back decades to the darkest part of his past, and a horrific family legacy.

Worse still, whats happening to him is just the first step in a much larger plan, one that will inflict the same changes on humanity at largeat a terrifying cost.

Because of his new abilities, Logans the one person in the world capable of stopping whats been set in motion. But to have a chance at winning this war, hell have to become something other than himself. Maybe even something other than human.

And even as hes fighting, he cant help wondering: what if humanitys only hope for a future really does lie in engineering our own evolution?

Intimate in scale yet epic in scope,Upgradeis an intricately plotted, lightning-fast tale that charts one mans thrilling transformation, even as it asks us to ponder the limits of our humanityand our boundless potential.