On account of certain content within the pages of a book, some book was stumbled in controversies or banned or censored. The common reasons for banning books or censoring certain books are:
Racial Theme or Dialogues:
The books with a story or dialogue that can encourage racism towards one or more group of people.
Example: The Adventure of Huckleberry Finn by Mark Twain, Gone with the Wind by Margaret Mitchell
Encouragement to Destruct Lifestyle:
Some books encourage lifestyle choices that are not standard or could be threatening or destructive. This includes Drug use, Co-habitation without marriage or Homosexuality.
The subject that is sacrilegious against God or sacred things, had often attracted controversies and banning books.
Example: Fahrenheit 451 by Ray Bradbury, Mobi Dick by Herman Melville, The Satanic Verses by Salman Rushdie.
Many Books with the content of sexual situation or dialog were banned or censored.
Example: Fifty Shades series by E.L. James.
Violence of Negativity:
Book with the theme of brutality and sadism were frequently banned. Some books have also been deemed too negative or depressing and have been banned or censored as well.
Example: American Psycho by Bret Easton Ellis
Presence of Witchcraft:
Books that include sorcery or witchcraft themes were banned or censored.
Example: Harry Potter Series by J K Rowling.
Political favoritism or partiality:
The Books that brace or questions extreme Political groups or philosophies like fascism, communism, anarchism etc.
Example: The Grapes of Wrath by John Steinback, Invisible Man by Ralph Ellison.
These books have been banned or censored for their content and the age level at which they are targeted. In some cases, children’s books are viewed to have “inappropriate” themes for the age level at which they are written for.
Example: The Catcher in the Rye by J D Salinger.