Robert Langdon (book series) Robert Langdon (book series) The "Robert Langdon" book series is named after Robert Langdon, the protagonist of the novels by American author Dan Brown. Langdon is portrayed as a Harvard University professor of religious iconology and symbology, a fictional field related to the study of historic symbols, which is not methodologically connected to the actual discipline of semiotics. Brown's novels that feature the lead character also include historical themes and Christianity as motifs, and as a result have generated controversy. Brown states on his website that his books are not anti-Christian, and that he is on a "constant spiritual journey"
Fictional universe one or several authors but are intended to be used non-canonically by others, such as the fictional settings for games, particularly role-playing games and video games. Settings for the role-playing game "Dungeons & Dragons" are called campaign settings; other games have also incorporated this term on occasion. Virtual worlds are fictional worlds in which online computer games, notably MMORPGs and MUDs, take place. A fictional crossover occurs when two or more fictional characters, series or universes cross over with one another, usually in the context of a character created by one author or owned by one company meeting a character