BANNING BOOKS IS THE FIRST THING DONE WHEN SOMEONE DOESN'T LIKE OR UNDERSTAND THE TEXT IN A BOOK.

THERE IS A HUGE LIST OF TOP BANNED BOOKS AND THE NUMBER ONE BOOK IS THE HARRY POTTER SERIES.

YOU CAN'T UNBAN A BOOK BECAUSE, WHEN A BOOK IS A BANNED BOOK IT MEANS IT HAS BEEN BANNED SOMEWHERE