As keenly observant of our emergent society as it is of our emergent technologies, Halting State is one extremely smart species of fun. - William Gibson, author of Agency Halting State [is] a near-future story that is at once over-the-top and compellingly believable. - Vernor Vinge, author of Rainbows End The first couple pages had me hooked, and I didn't touch another book until I finished it. - John Carmack, lead developer of Doom and Quake, and technical director of id Software This is the best fictional take ever written about virtual worlds. - Raph Koster, designer of Ultima Online, Star Wars Galaxies, and Metaspace