John Scalzi's Head On is a murder mystery set in a robot fighting league

John Scalzi is known for his witty science fiction thrillers. Old Man's War and its sequels are his take on military science fiction, while last year's Collapsing Empire was a new foray into space opera. His latest novel Head On is a techno-thriller involving robotic sports leagues and murder, and it's a book that's particularly relevant in our own, technological world. Head On is the sequel to Scalzi's 2014 thriller Lock In and an accompanying novella, Unlocked: An Oral History of Haden's Syndrome. In each, he introduces readers to a world that's experienced a medical catastrophe: a flu pandemic infected and killed millions of people around the world, and left some of the survivors with Haden's Syndrome, a condition that left them "locked in" to their bodies.