17th-century 17th-century-japan 19th-century 19thcentury advanced-technology adventure africa africanamericans alien-invasion aliens allegory alternate-history alternate-reality ambiguity apostasy artificial-intelligence battle-school belief betrayal british-literature catholicism child-prodigy children christian-fiction christianity christianity-in-japan civilization class-division class-struggle classic classic-literature classics colonialism colonies coming-of-age competition conversion cultural-assimilation cultural-clash cultural-conflict cultural-identity cultural-imperialism culture-clash doubt dystopia dystopian dystopian-future dystopian-society east-meets-west eloi empathy endurance escapism ethical-dilemmas ethics evolution evolutionary-theory existentialism exploration faith faith-crisis fantasy fiction forgiveness friendship future future-society future-technology futurism futuristic futuristic-technology gaming genius genocide government-conspiracy government-control guilt h.-g.-wells h.g.-wells hidden-christians historical-fiction history human-evolution human-nature humanity identity imagination imaginative imperialism indiansofnorthamerica inner-conflict inner-struggle intelligence interstellar-travel introspection invention isolation japan japanese-culture japanese-literature japans-hidden-christians jesuit jesuit-missionaries jesuit-priests jesuits journey leadership literature loyalty machine manipulation martyrdom military military-strategy mind-games mission missionaries missionary missionary-work moral-ambiguity moral-dilemma moral-dilemmas morality morlocks nagasaki persecution philosophical philosophy politicsandgovernment post-apocalyptic progress psychological psychological-manipulation psychology racerelations redemption religion religious-conflict religious-conversion religious-identity religious-intolerance religious-persecution sacrifice samurai science science-and-technology science-fiction sciencefiction scientific-discovery scientific-ethics scientific-exploration scientific-invention self-discovery shusaku-endo sibling-rivalry silence silence-of-god sin social-class social-commentary social-criticism social-critique social-hierarchy social-inequality socialaspects socialconditions societal-decay society space space-exploration space-travel speculative-fiction spiritual-crisis spiritual-journey spirituality strategic-thinking strategy struggle suffering survival technological-advancement technological-advancements technology thought-provoking time-dilation time-manipulation time-travel training unitedstates utopia victorian victorian-era victorian-literature video-games virtual-reality visionary war war-games young-adult