Upgrade

NEW YORK TIMES BESTSELLER • “If Michael Crichton had written a superhero novel, it would look a lot like Upgrade.”—The New York Times Book Review“You don’t so much sympathize with the main character as live inside his skin.”—DIANA GABALDON, #1 New York Times bestselling author of the Outlander series  “Mysterious, fascinating, and deeply moving—exploring the very nature of what it means to be human.”—ALEX MICHAELIDES, #1 New York Times bestselling author of The Silent Patient and The MaidenONE OF THE BEST BOOKS OF THE YEAR: Time, She ReadsThe mind-blowing new thriller from the New York Times bestselling author of Dark Matter and Recursion—currently in development as a motion picture at Steven Spielberg's Amblin Partners“You are the next step in human evolution.”At first, Logan Ramsay isn’t sure if anything’s 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 lon