One popular alternate universe novel is 'The Man in the High Castle' by Philip K. Dick. It presents an alternate history where the Axis powers won World War II. Another is 'His Dark Materials' by Philip Pullman, which features multiple parallel universes with different rules and beings. 'A Wrinkle in Time' by Madeleine L'Engle also involves travel between different universes.
Some great alternate universe novels include 'The Hunger Games' series. Although it's set in a post - apocalyptic world which is an alternate version of our future. In this world, there are strict social hierarchies and a brutal annual event. 'Divergent' is another. It creates a future society divided into factions, which is quite different from our present - day society. And 'Ready Player One' by Ernest Cline. It takes place in a virtual alternate universe where people can escape their often - dreary real - world lives into a world full of pop - culture references and adventures.
Well, 'Alice in Wonderland' can be considered in a way an alternate universe novel. It takes the reader into a strange and fantastical world that is very different from our own. 'Peter Pan' also has elements of an alternate universe as Neverland is a place with its own unique characteristics, different from the normal world. And then there's 'The Chronicles of Narnia' series. The world of Narnia is an alternate universe that the children can enter through a wardrobe, with its own set of rules, creatures, and a whole different way of life.
Well, 'Slaughterhouse - Five' can be considered as a type of alternate universe fiction. It jumps around in time and space, including an alien planet which is sort of an alternate universe in a way. Then there's 'Alice in Wonderland' which can be seen as an exploration of an alternate, illogical universe. Oh, and 'Cloud Atlas' which weaves together different stories across different times and, in a sense, different universes too.
Well, in the world of 'alternate universe fanfic', for shows like 'Doctor Who', there could be an AU where the Doctor is a human instead of a Time Lord. In 'Sherlock' AUs, Sherlock and Watson might be in a steampunk universe. And for 'The Hunger Games', an AU could be that there is no Hunger Games at all and the districts live in a utopian society.
Since we should avoid adult content, instead we can talk about some general alternate universe stories. For example, in some alternate universe stories, characters might have different powers or live in a world with different social structures. 'A Wrinkle in Time' by Madeleine L'Engle has elements of alternate universes where the characters travel through different dimensions.
One popular theme is role reversals. For example, in a superhero alternate universe fan fiction, the villain could be the hero and vice versa. Another theme is different time periods. Fans might write about their favorite characters in a historical setting. Also, gender - swapped versions of characters are common.
One popular plot idea is Hermione in a world where magic is dying. She has to find a way to restore it, using her vast knowledge. Another is Hermione in a universe where she's a Slytherin. This changes her relationships and how she's perceived at Hogwarts. Also, there are stories where she time - travels to different eras in the wizarding world and has to adapt to the new rules and cultures there.
One popular type is the 'Portal Fantasy' in alternate universe online fictions. In these stories, characters often find a way to cross into another universe through a portal or some magical means. For example, 'The Magicians' has elements of this. Another popular one could be the 'Reversed Roles' scenario, like in some fictions where genders have different societal roles in the alternate universe. There are also those with different historical timelines in the alternate universes which attract a lot of readers.
Katniss is still a very popular character in alternate universe fanfiction. Writers often explore different versions of her. For instance, a Katniss who is more outspoken and politically active even before the Hunger Games start. She could be leading underground movements in District 12.
Tom Riddle (before he became Voldemort) is a popular character to explore in alternate universes. Writers can delve into his early years, his time at Hogwarts, and what could have been different to prevent him from turning into the Dark Lord. Also, the Weasley twins are often used in fanfiction. Their prank - loving nature can be used to create all kinds of chaos and humor in different universes.
Some great alternate histories novels include 'Jonathan Strange & Mr Norrell' by Susanna Clarke. It's set in an alternate England where magic once existed and is being revived. 'The Yiddish Policemen's Union' by Michael Chabon is also notable. It posits an alternate history where a Jewish homeland was established in Alaska instead of the Middle East. Then there's 'Cryptonomicon' by Neal Stephenson which has aspects of alternate history related to World War II and the development of computing.
One popular alternate reality novel is 'The Man in the High Castle' by Philip K. Dick. It presents an alternate world where the Axis powers won World War II. Another is 'Neverwhere' by Neil Gaiman, which takes readers into a hidden, magical alternate London beneath the real one. 'Annihilation' by Jeff VanderMeer also falls into this category, with its strange and otherworldly alternate reality within the Area X.