<p><b>"As much as Scalzi has the scientific creativity of a Michael Crichton, he also has the procedural chops of a Stephen J. Canell to craft a whodunit with buddy-cop charm and suspects aplenty¿most of them in someone else''s body." ¿<i>USA Today</i></b><br><br>John Scalzi returns with <i>Head On, </i>the standalone follow-up to the <i>New York Times </i>bestselling and critically acclaimed <i>Lock In</i>. Chilling near-future SF with the thrills of a gritty cop procedural, <i>Head On </i>brings Scalzi''s trademark snappy dialogue and technological speculation to the future world of sports.<br><br>Hilketa is a frenetic and violent pastime where players attack each other with swords and hammers. The main goal of the game: obtain your opponent¿s head and carry it through the goalposts. With flesh and bone bodies, a sport like this would be impossible. But all the players are ¿threeps,¿ robot-like bodies controlled by people with Haden¿s Syndrome, so anything goes. No one gets hurt, but