EREAD! info: MySQL Query Error

Time: 2010-2-10 4:03am
Script: /bookinfo/3487

SQL: SELECT * FROM business_sh_book_info,business_sh_recomm WHERE business_sh_recomm.book_id = business_sh_book_info.book_id AND business_sh_recomm.recomm_type_id = AND business_sh_book_info.status = 1 ORDER BY business_sh_recomm.order_id ASC,business_sh_book_info.up_date DESC LIMIT 0,10
Error: 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 business_sh_book_info.status = 1 ORDER BY business_sh_recomm.order_id ASC,bu' at line 1
Errno.: 1064