Master of suspense Jeffery Deaver returns with the latest gripping thriller featuring paraplegic forensic detective Lincoln Rhyme. Technology is everywhere. It makes our lives easier, our connections faster and journeys quicker. But in the hands of someone smart enough, every piece of technology can be a murder weapon. When an escalator gives way mid-chase, Amelia Sachs is forced to let a killer escape as she helps the man trapped in the depths. Now Sachs and forensic detective Lincoln Rhyme must investigate if the collapse was a freak accident... or whether they are facing a murderer who knows exactly how fatal machines can be. This print edition contains an exclusive leaked document from the Lincoln Rhyme case files.