The ULS: The Underground Library Society

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As the creator of the ULS, The Underground Library Society, and at the request of several followers, I have decided to put up lists of books that have been banned or challenged. If a book is challenged, that usually means there were people who wanted it removed from a school or library. Both are forms of book censorship. It is important to note that I am not focusing only on books banned or challenged in the United States of America; unfortunately, censorship is a world wide action.
Here is my initial list of banned and challenged books:
The entire Harry Potter series by J. K. Rowling;
To Kill A Mockingbird by Harper Lee;
The Adventures of Huckleberry Finn by Mark Twain;
Beloved by Toni Morrison;
The Satanic Verses by Salman Rushdie;
The Catcher in the Rye by J. D. Salinger;
The Grapes of Wrath by John Steinbeck;
All Quiet On The Western Front by Erich Maria Remarque;
The Da Vinci Code by Dan Brown; and
Doctor Zhivago by Boris Pasternak.
I will add more lists of banned and challenged books in the future.