From Publishers Weekly

Banks's labyrinthine and devious ninth Culture space opera novel (after 2008's Matter) adeptly shifts perspective between vast concepts and individual passions. The blissfully disorganized, galaxy-spanning Culture has fabulous technology that gives human and alien entities freedom to choose who and what they want to be. When sex slave Lededje Y'breq is murdered by a politician on the planet Sichult, the artificial intelligence running one of the Culture's immense starships resurrects her so she can seek revenge. Meanwhile, the Culture is uneasily watching the conflict over whether to preserve virtual Hells for the souls of "sinners" or give them the release of death. Leaping with jaw-dropping speed from character to character and from reality to virtuality, the narrative swiftly pulls these concerns together. New readers may be taken aback by the rapid pace, but fans will dive right in and won't come up for air until the final page. (Nov.) (c)
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From

Beginning with Consider Phlebas (1987), Banks’ Culture novels have showcased his prodigious talent for world building, featuring extravagant vistas of superadvanced technological civilizations and their virtual-reality playgrounds. In the ninth outsize installment, Banks juggles multiple plot threads on a sweeping canvas, embracing Culture-based artificial worlds known as orbitals, supremely powerful artificial intelligences, and virtual heavens and hells. One story line follows the murder and AI-facilitated resurrection of tattooed sex slave Lededje Y’breq, who is willingly conscripted in a plan to exact revenge on her politician killer and shift the balance of power between embattled Culture factions. Another follows the efforts of two quadruped creatures called Pavuleans to pry their way out of a secret virtual hell and back into the Real, where wealthy moguls are gearing up for war among the digital realms. While each Culture novel can be read alone, newcomers are advised to breathe deeply before diving in, as Banks never lets up in a dizzying array of characters, mind-bending ideas, and dazzling action. --Carl Hays