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Upgrade is the mind-bending thriller from Blake Crouch, author of the bestselling Dark Matter and Recursion.

‘You are the next step in human evolution . . .’

Logan Ramsay is beginning to see the world around him, even those he loves the most, in whole new ways. His concentration is better, he can multitask quick, read faster, memorize more and sleep deeper.

It is not natural. His genes have been hacked. He has been targeted for an upgrade.

And he knows it.

Logan has been trying to escape his family legacy for decades – and it has left him vulnerable to attack. With a terrifying plan in place to replicate his upgrade throughout the world's population, Logan may be the only person capable of protecting the bodies of earth from hijackers.

But to win this war, Logan will have to become something other than himself . . .

Intricately plotted and epic in scope, Upgrade asks us to ponder the limits of our humanity – and our boundless potential. Are you ready for the impossible?

Genre: Science Fiction

Praise for this book

"The incomparable Blake Crouch has, once again, completely blown my mind. Upgrade is more than a brain-bending thriller; it's a siren in the night, warning us all of the dangers of playing God with the human species." - Justin Cronin

"Upgrade is amazingly gripping and totally immersive -with brilliant (near-future) worldbuilding and an impeccable plot You don't so much sympathize with the main character as live inside his skin." - Diana Gabaldon

"Blake Crouch has a mind like Crichton and a heart like King - Upgrade is riveting, tense, scrupulously researched, and deeply heartfelt." - David Koepp

"From the first page, it's clear you're in the hands of a master storyteller; Upgrade is by turns mysterious, fascinating, and deeply moving - exploring the very nature of what it means to be human. Spellbinding." - Alex Michaelides

"Blake Crouch doesn't pull any punches in this taut and evocative examination of what humanity really is - and how it fails us. A hugely entertaining and emotionally resonant thriller that you'll be thinking about long after you turn the last page." - Veronica Roth

"Imaginative, perfectly paced, and extremely clever, Upgrade walks the fine line between page-turning thriller and smart sci-fi. Another killer read from Blake." - Andy Weir

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