Doomsday Book

Doctor Mary Ahrens is a fictional character from Doomsday Book.

A novel is a book of long narrative in literary prose. The genre has historical roots both in the fields of the medieval and early modern romance and... in the tradition of the novella. The latter supplied the present generic term in the late 18th century. Further definition of the genre is historically difficult. The construction of the narrative, the plot, the way reality is created in the works of fiction, the fascination of the character study, and the use of language are usually discussed to show a novel's artistic merits. Most of these requirements were introduced in the 16th and 17th centuries, in order to give fiction a justification outside the field of factual history. The individualism of the presentation makes the personal memoir and the autobiography the two closest relatives among the genres of modern histories. The fictional narrative, the novel's distinct "literary" prose, specific media requirements , a characteristic subject matter that creates both intimacy and a typical epic depth can be seen as features that developed with the Western market of fiction.
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Time travel is the concept of moving between different points in time in a manner analogous to moving between different points in space. Time travel... could hypothetically involve moving backward in time to a moment earlier than the starting point, or forward to the future of that point without the need for the traveler to experience the intervening period . Any technological device – whether fictional or hypothetical – that would be used to achieve time travel is commonly known as a time machine. Although time travel has been a common plot device in science fiction since the late 19th century, and the theories of special and general relativity suggest methods for forms of one-way travel into the future via time dilation, it is currently unknown whether the laws of physics would allow time travel into the past. Such backward time travel would have the potential to introduce paradoxes related to causality, and a variety of hypotheses have been proposed to resolve them, as discussed in the sections Paradoxes and Rules of time travel below.
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Speculative fiction is an umbrella term encompassing the more fantastical fiction genres, specifically science fiction, fantasy, horror, supernatural... fiction, superhero fiction, utopian and dystopian fiction, apocalyptic and post-apocalyptic fiction, and alternate history in literature as well as related static, motion, and virtual arts. Speculative fiction as a category ranges from ancient works to both cutting edge, paradigm-changing and neotraditional works of the 21st century. Speculative fiction can be recognized in works whose authors' intentions or the social contexts of the versions of stories they portrayed is now known, since ancient Greek dramatists such as Euripides whose play Medea seems to have offended Athenian audiences when he fictionally speculated that shamaness Medea killed her own children instead of their being killed by other Corinthians after her departure, and whose Hippolytus, narratively introduced by Aphrodite, Goddess of Love in person, is suspected to have displeased his contemporary audiences because he portrayed Phaedra as too lusty.
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