Provide the authors and titles of the books which have more than 3000 pages.
authors refers to author_name; more than 3000 pages refers to num_pages > 3000
SELECT T3.author_name, T1.title FROM book AS T1 INNER JOIN book_author AS T2 ON T1.book_id = T2.book_id INNER JOIN author AS T3 ON T3.author_id = T2.author_id WHERE T1.num_pages > 3000