Книги. Кто нибудь соберёт вэб версию?
SELECT books.[name], book_pages.[name], book_page_contents.[text] FROM books
LEFT JOIN book_elems ON books.[id] = book_elems.[book_id]
LEFT JOIN book_pages ON book_elems.[book_page_id] = book_pages.[id]
LEFT JOIN book_page_contents ON book_elems.[book_page_id] = book_page_contents.[id]Code: SQL