Judas Unchained by Peter F. Hamilton MacMillan, $150 Peter F. Hamilton must know how George Lucas felt when he finally wrapped up Star Wars. With Judas Unchained, set about 2400, Hamilton's 1,800-page plus Commonwealth Saga comes to an end, but only after requisite intrigue and adventure: this time a mysterious alien, which has been corrupting the human race for hundreds of years, is behind a war that could destroy the Intersolar Commonwealth. As if that isn't scary enough, there's the continuing invasion from Dyson Alpha to worry about, more so now that the enemies are armed with powerful weapons. Typical for science-fiction writers, Hamilton alludes to the present world while writing about societies centuries in the future. The book reflects strongly the 'current lack of trust in public life', Hamilton has said. 'We have become such a culture of presentation that image ... has taken the place of any meaningful policy or action.' For a full dose of Hamilton's magic, readers should begin the saga with Pandora's Star, part one of the long adventure.