Winner of the Hugo Award for Best Novel - One of the most enthralling science fiction sagas ever written, Kim Stanley Robinson's epic trilogy concludes with Blue Mars--a triumph of prodigious research and visionary storytelling. "A breakthrough even from [Kim Stanley Robinson's] own consistently high levels of achievement. "--The New York Times Book ReviewThe red planet is no more. Now green and verdant, Mars has been dramatically altered from a desolate world into one where humans can flourish. The First Hundred settlers are being pulled into a fierce new struggle between the Reds, a group devoted to preserving Mars in its desert state, and the Green "terraformers. " Meanwhile, Earth is in peril. A great flood threatens an already overcrowded and polluted planet. With Mars the last hope for the human race, the inhabitants of the red planet are heading toward a population explosion--or interplanetary war.