The Never Game by Jeffery Deaver

In this gripping thriller, a skilled investigator named Colter Shaw embarks on a dangerous quest to find a missing young woman in Silicon Valley. As he navigates a world of high-tech intrigue and deception, Shaw uses his unique tracking skills to unravel a complex web of clues tied to a sinister game that blurs the lines between virtual and reality. With time running out and the stakes escalating, Shaw must outsmart a cunning adversary while confronting his own past and the motivations that drive him.