The commonalities could be in the style of writing, like a similar tone or narrative voice. They might also have recurring symbols or motifs that add depth to the story. Another possibility is that they all explore similar themes, such as love, friendship, or the search for identity.
Often, the four novels might have a central mystery or conflict that unfolds and resolves differently in each book. Another possibility is a theme like love and friendship that ties the stories together, but is explored from various perspectives.
One common theme is the sense of place. Appalachian authors often emphasize the unique geography, mountains, and valleys of the region.
One common theme is the idea of the frontier. Western novels often explore the challenges and opportunities that come with the expansion into the uncharted western lands.
Love and lust are common themes. Often, these novels explore the connection between physical attraction and emotional attachment. For example, in many romance - based sex - related novels, the characters are initially drawn to each other sexually and then develop deeper emotional bonds.
One common theme is love and passion. Sex is often intertwined with love in novels, showing how physical attraction can be part of a deeper emotional connection. Another theme is power. In some stories, sex can be a means of one character exerting power over another, either through seduction or coercion. Also, the exploration of taboos related to sex is a theme. Novels may deal with topics like adultery or forbidden love, which involve sex and go against social norms.
One common theme is displacement. Refugees are forced to leave their homes, and novels often explore the emotional and physical upheaval this causes. For example, in 'The Book of Unknown Americans', the characters have to leave behind their familiar lives in Latin America.
One common theme is empowerment. Groups often strive to empower a particular sex or promote equality between sexes. For example, women's groups may work on empowering women in male - dominated fields. Another theme is education. As I mentioned before, sex education groups focus on teaching about sexual health and relationships. And then there's the theme of acceptance. Groups related to LGBTQ+ rights aim to gain acceptance for all sexual orientations and gender identities in society.
One common theme is mystery. Since the game is about finding the impostors, fanfics often revolve around solving the mystery of who the impostors are. Another theme is survival, as the crewmates need to survive the attacks of the impostors.
One characteristic is a common setting. For example, in the 'Hunger Games' trilogy, all three novels are set in Panem, a post - apocalyptic nation. Another is the continuous development of characters. In the 'Twilight' series, Bella's character grows and changes throughout the three books as she experiences different relationships and challenges. Also, there is often a central plot thread that runs through all three novels. In the 'Millennium' series, the hunt for serial killers and the mystery around Lisbeth Salander are central throughout the three related novels.
Well, when we talk about a group of five related novels, it usually implies that these five books have some kind of interlinking elements. It could be that they take place in the same fictional world, feature the same main characters across different adventures, or follow a chronological sequence of events. The connection can vary, but it makes them a coherent collection.