MySQL Error!
MySQL error in file: /engine/modules/read_book.php at line 149
Error Number: 1064
The Error returned was:
You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ') AND ( hub_author_id = '') AND (you_can_sell > 0)) ORDER BY updated DESC LIMIT ' at line 1
SQL query:

SELECT SQL_CALC_FOUND_ROWS hub_id, book_title, mybook_book_url, author_name, author_sname, book_title, options, type, hub_author_id, genre, genre_names, lang, updated FROM litres_data WHERE ((mybook_book_url IS NOT NULL) AND (hub_id != ) AND ( hub_author_id = '') AND (you_can_sell > 0)) ORDER BY updated DESC LIMIT 0,5