A must-read thriller from Dean Koontz -- the worldwide bestseller of over 400 million copies. RELENTLESS is a pulse-pounding page-turning race to the finish. It looked like just a bad review. But perhaps it was a death threat! Being a writer is a dangerous business. When Cubby Greenwich receives a scathing review for his latest bestseller by the feared & therefore revered critic Shearman Waxx he is determined to take no notice of it. But Fate carries him right into Waxxs path. What began as an innocent & unexpected encounter is about to trigger an inferno of violence. For Shearman Waxx is not merely a ferocious literary enemy but a ruthless sociopath & now he is intent on destroying Cubby & everything he holds dear: his home his wife his young son & every hope he had in the world. The terror has only just begun & it will be relentless!