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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 long, he can't deny it: something's happening to his brain. To his body. He's starting to see the world, and those around him, even those he loves most, in whole new ways. The mindblowing new thriller from the New York Times bestselling author of "Dark Matter".