Most people are sadly associating sci-fi with crass entertainment. Sci fi books are all too often based on real factual science and are serious literary works. The creators in their particular subjects are often researchers and professionals with serious and respectable triumphs. Nonetheless, teen fiction books for boys many of their early predictions regarding future developments and technology have become practical realities.
Sci fi writers have expanded to great depth and degree actual theories and ideas. Their readers are often able to find stories based on futuristic scenarios where all concrete realities are space travel, time travel, parallel galaxies and aliens. While these settings may seem unplausible to children, the writers of science fiction explore deep-rooted ideological issues based on identity, morality and social structure in these books.
Most of the stories that are generally categorized as sci-fi deal with future situations. Whether this is in the distant future or maybe the near future on the plot itself may vary. In some cases, the dates and settings of many older sci-fi plays have already been passed.
For science fi novels, cutting-edge technology is a common theme. Sci fi writers extended technology possibilities to great depths; creating stories focused on space travel, androids, cloning, teleportation machines, faster than light travel and different time dimensions.
Science fiction books also form an important basis for the literary genre addressing various governmental and social systems. Two very common and very different sub-styles of science fiction are dystopian and utopian worlds in particular.
A utopia is essentially an ideal world; the eventual removal of scarcity, typically by advanced technology, is among the key components of these worlds. On the other hand, a dystopia is the complete opposite, it explores the future after a complete social breakdown and the possible repercussions. Post-apocalyptic sci-fi novels are similar to dystopian novels, not exactly the same. Post-apocalyptic novels deal with worlds that are totally and completely destroyed.