action advanced-technology adventure ai-(artificial-intelligence) alcoholism alien alien-invasion aliens americanliterature americansciencefiction artificial-intelligence authors backstories battle battle-school betrayal brotherhood brothersandsisters bullying cabinfever caretakers child-prodigy child-soldiers childhood children chosen-one clairvoyance colonization colorado coming-of-age communication compassion competition complex-characters courage deception demonology destiny dystopia dystopian dystopian-future dystopian-society education empathy end-of-the-world ender-wiggin enders-game espionage ethical-dilemmas ethics exploration extraterrestrial-life families family fear fiction fictioninenglish friendship future future-society futuristic futuristic-setting futuristic-society futuristic-technology game game-theory games gaming general genetic-engineering genios genius genius-protagonist geniuses genocide ghostfiction ghosts gifted-children goodandevil gothic government government-conspiracy government-control government-manipulation hauntedhouses heroism horror horrorfiction horrortales hotelkeepers human-survival humanity identity identity(philosophicalconcept) intelligence intergalactic-war interstellar-politics interstellar-travel interstellar-war islam isolation jack(fictitiouscharacter) juvenilefiction juvenileliterature largetypebooks leadership loneliness loyalty magia magic manipulation military military-academy military-school military-strategy military-tactics military-training mind-control mind-games moral-ambiguity moral-dilemma moral-dilemmas morality mutation(biology) newyorktimesbestseller nouvelles novel nyt:e-book-fiction=2013-10-13 occult outer-space paranormalfictionsuspense partitionofindia peer-pressure philosophy plays political-intrigue politics precognition property protagonist psychics psychological psychological-manipulation psychological-thriller psychological-warfare psychology readinglevel-grade9 redemption romance roque sacrifice school science-fiction sciencefiction secrets sibling-dynamics sibling-relationship sibling-relationships sibling-rivalry siblings space space-battle space-battles space-exploration space-opera space-travel space-war space-warfare strategic-genius strategic-thinking strategy superheroes supernatural supernaturalthrillers survival suspense tactical-genius technology teenagegirls thriller topiary torrance training trust underdog video-game video-games violence virtual-reality virtual-reality-games war war-games war-strategy war-tactics world-building x-men(fictitiouscharacters) xenocide xenophobia young-adult