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This book sadly lacks some of the sparkle of style that normally defines Ian McDonald; it is consciously structured after a Brazilian telenovela, with a clash of dynasties on a moon that is manages to be both Heinleinian and Dickensian. Masses of viewpoint characters - Marina the genetic engineer turned cocktail waitress probably the most appealing. Suffers slightly from moustache-twirling among the most villainous of the dynasties. Ends on a splendid cliff-hanger: there will be two more.