Need some help with this

SELECT * FROM gallery2 WHERE topic_id="1351071" UNION SELECT * FROM gallery2 WHERE topic_id="1308906" UNION SELECT * FROM gallery2 WHERE topic_id="724421" UNION SELECT * FROM gallery2 WHERE topic_id="1818397" UNION SELECT * FROM gallery2 WHERE topic_id="1463042" UNION SELECT * FROM gallery2 WHERE topic_id="419144" UNION SELECT * FROM gallery2 WHERE topic_id="19414" UNION SELECT * FROM gallery2 WHERE topic_id="1331651" UNION SELECT * FROM gallery2 WHERE topic_id="751731" UNION SELECT * FROM gallery2 WHERE topic_id="1114071" UNION SELECT * FROM gallery2 WHERE topic_id="1452785" UNION SELECT * FROM gallery2 WHERE topic_id="245755" UNION SELECT * FROM gallery2 WHERE topic_id="1217395" UNION SELECT * FROM gallery2 WHERE topic_id="363945" UNION SELECT * FROM gallery2 WHERE topic_id="181108" UNION SELECT * FROM gallery2 WHERE topic_id="1007713"