Roald Dahl was a British author of popular children's literature and short stories, a poet, screenwriter and a wartime fighter ace. His books have sold more than 300 million copies worldwide. Dahl has been called "one of the greatest storytellers for children of the 20th century". Andrew Clements is the author of the 6.5 million-copy bestseller, Frindle. Since 1985, over 80 of his books have been published. Richard Wayne Peck was an American novelist known for his contributions to modern young adult literature. He was awarded the Newbery Medal in 2001 for his novel A Year Down Yonder. He received the Margaret A. Edwards Award from the American Library Association in 1990