Written texts have always been a good source of knowledge. During early stages of civilization people wanted to develop something that could keep their writings safe for centuries. To make their dream come true, they expressed their feelings either on barks of trees or leaves.
With the advent of printed books, the mode of communication changed, and now through Internet, reading patterns in human beings have changed drastically. Yet people still find great fun and delight in reading books.
Some of the books written by authors proved to be very beneficial for human beings whereas some books attracted a lot of controversy. There were even calls for banning the book from members of the public or those in religious or political organizations.
Here is a list of 10 most controversial books :