19th-century 19th-century-literature action advanced-technology adventure alien-civilization alien-civilizations alien-invasion aliens allegory alternate-future alternate-history alternate-reality alternative-history apocalyptic artificial-intelligence battle battle-school betrayal british-literature brotherhood bullying cautionary-tale child-prodigy children civilization class-divide class-division class-struggle classic classic-literature classics colonization coming-of-age compassion competition dark deception destiny dystopia dystopian dystopian-future dystopian-society eloi empathy ender-wiggin english-literature escapism ethical-dilemmas ethics evolution evolutionary-theory existentialism exploration exploration-of-time extraterrestrial-life fantasy fear friendship future future-societies future-society future-technology futurism futuristic futuristic-society futuristic-technology game games gaming genetic-engineering genius genocide government government-conspiracy government-control government-manipulation h.-g. h.-g.-wells h.g.-wells heroism human-civilization human-evolution human-nature human-progress humanity humanitys-destiny identity imaginary-worlds imagination imaginative industrial-revolution inequality intelligence intergalactic-war interstellar-travel interstellar-war invention inventions isolation journey leadership london loneliness loyalty machine machines manipulation military military-strategy military-tactics military-training mind-games moral-ambiguity moral-dilemma moral-dilemmas morality morlocks outer-space philosophical philosophical-themes philosophy post-apocalyptic progress protagonist psychological psychological-manipulation psychological-warfare psychology sacrifice school sci-fi science science-and-technology science-fantasy science-fiction scientific-discovery scientific-ethics scientific-exploration scientific-invention scientific-inventions scientific-progress sibling-relationships sibling-rivalry social-class social-commentary social-criticism social-critique social-hierarchy social-inequality societal-critique societal-decay society space space-battle space-battles space-exploration space-travel space-warfare speculation speculative-fiction steampunk strategic-thinking strategy survival suspense tactical-genius technological-advancement technological-advancements technological-innovation technology telepathy thought-provoking time-dilation time-machine time-manipulation time-paradox time-travel time-traveler training trust utopia utopian-society victorian victorian-era victorian-literature video-game video-games virtual-reality visionary war war-games war-tactics warning wells wellsian xenocide xenophobia young-adult