'' The Wonderful Wizard Of Oz '' ( 1900 ) by L. Frank Baum , later expanded into a series of books which were tremendously popular in America during the first half of the twentieth century. One of the earliest fantasy books where children go to another world.
'' A Wizard Of Earthsea '' ( 1968 ) by Ursula K. Le Guin , and sequels broke ground for epic fantasy in several ways: the first book had a non-white hero, the later books explored the role of gender in fantasy and power, and the quest structure isn't good vs. evil but balance.
'' Harry Potter And The Philosopher's Stone '' ( 1997 ) by J. K. Rowling , and sequels; worldwide publishing phenomenon, one of the bestselling books of all times and one of the most widely translated works of literature. Worldwide popularity caused resurgence of interest in children's literature.