Skywalker, Luke (Fictitious character) 9 Space warfare 9 Science fiction 8 Leia, Princess (Fictitious character) 7 Solo, Han (Fictitious character) 7 Star Wars fiction 7 Adventure and adventurers 6 Friendship 6 Life on other planets 5 Science fiction, American 5 Adventure stories 4 Genetic engineering 4 Abduction 2 Assassins 2 Battles 2 Best friends 2 Civilization, Subterranean 2 Conspiracies 2 Fathers and daughters 2 Film novelizations 2 Foreign relations 2 Frankenstein's monster (Fictitious character) 2 Frankenstein, Victor (Fictitious character) 2 Kenobi, Obi-Wan (Fictitious character) 2 Magic 2 Man-woman relationships 2 Missing persons 2 Monsters 2 Murder 2 Pirates 2