Genetic definitions to the genres you may find me reading!
New Adult– a developing genre of fiction with protagonists in the 18–30 age bracket. New Adult fiction tends to focus on issues such as leaving home, developing sexuality, and negotiating education and career choices.
Young Adult– a genre that focuses on characters and conflicts for readers aged between 12 and 18. Authors and readers of Young Adult (YA) novels often define the category as literature traditionally written for ages ranging from 16 years to the early 20s, while Teen Adult Fiction is written for the ages of 10 to 15.
Middle Grade– feature pre-teen characters in situations of interest to 8-12 year olds, generally shorter than YA (though that can vary with SFF) to account for younger children’s shorter attention spans, and though it doesn’t necessarily shy away from tough subjects, it generally avoids the graphic depiction of them.
Scifi– a genre of speculative fiction dealing with imaginative concepts such as futuristic settings, futuristic science and technology, space travel, time travel, faster than light travel, parallel universes and extraterrestrial life. Science fiction often explores the potential consequences of scientific and other innovations, and has been called a “literature of ideas.”
Paranormal– elements beyond the range of scientific explanation, blending together themes from the genres of traditional fantasy, science fiction, romance, or horror. Beyond the more prevalent themes involving vampires, shapeshifters, ghosts, or time travel, paranormal romances can also include books featuring reincarnation or characters with psychic abilities, like telekinesis or telepathy.
Post-Apocalyptic– is mainly science fiction or horror fiction with the apocalypse event typically being climatic, such as runaway climate change; natural, such as an impact event; man-made, such as nuclear warfare; medical, such as a plague or virus, whether natural or man-made; or imaginative, such as zombie apocalypse or alien invasion. The story may involve attempts to prevent an apocalypse event, deal with the impact and consequences of the event itself, or it may be post-apocalyptic, set after the event.
Dystopian/Utopian– dystopian is an utterly horrible or degraded society that is generally headed to an irreversible oblivion, or dystopia. Many novels combine both, often as a metaphor for the different directions humanity can take in its choices, ending up with one of two possible futures. Both utopias and dystopias are commonly found in science fiction and other speculative fiction genres, and arguably are by definition a type of speculative fiction.
Romance– this type of genre fiction place their primary focus on the relationship and romantic love between two people, and must have an “emotionally satisfying and optimistic ending.” Many subgenres of the romance novel including fantasy, historical, science fiction and paranormal fiction.
Historical fiction– a literary genre in which the plot takes place in a setting located in the past. It is set in the past and pays attention to the manners, social conditions and other details of the period depicted. Authors also frequently choose to explore notable historical figures in these settings, allowing readers to better understand how these individuals might have responded to their environments. While some subgenres, such as alternate history or historical fantasy, insert speculative or ahistorical elements into a novel.
Disclaimer: Most of these definitions are from Wikipedia.