Author: Garth Nix.
Taken from his parents as a child and equipped with biological and technological improvements, Khemri is now an enhanced human being, trained and prepared for the glory of becoming a Prince of the Empire. Not to mention the ultimate glory: should he die, and be deemed worthy, he will be reborn…Which is just as well, because no sooner has Prince Khemri graduated to full Princehood than he learns the terrible truth behind the Empire: there are ten million princes, and all of them want each other dead. (Published summary.)
Sexual content: Courtesans mentioned, as well as the fact that the princes can sleep with various women for enjoyment. One instance of sexual intercourse (main character).
Violence: Several assassination attempts, one duel, attack by pirates.