I recommend 'Velocity' for readers who love fast-paced thrillers that keep them on the edge of their seats. Dean Koontz delivers a masterclass of storytelling as Billy Wiles finds himself embroiled in a dangerous game with a killer, putting his life and the lives of other innocents in his hands. With each note, the stakes get higher and the killer gets more personal, making this an intense and harrowing reading experience. Fans of James Patterson and Stieg Larsson will love this page-turner.

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• ITW Thriller Award Nominee for Best Novel (2006)

On the windscreen of his SUV, Billy finds the first note.He thinks it's a hoax.The schoolteacher dies.The next note reverses the scenario. If Billy takes the note to the police, a mother of two young children will die. If he doesn't, an unmarried man who won't be much missed will die...Billy must think the unthinkable, fast, in an accelerating nightmare. More communications from the killer follow, with ever tighter deadlines. Each is more personal, more confrontational than the last until he is isolated, with no one to rely on but himself. Finally, he must risk everything to save the intended victims...

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