need another hand with this

SELECT * FROM gallery2 WHERE topic_id="909375" UNION SELECT * FROM gallery2 WHERE topic_id="489656" UNION SELECT * FROM gallery2 WHERE topic_id="646988" UNION SELECT * FROM gallery2 WHERE topic_id="1077595" UNION SELECT * FROM gallery2 WHERE topic_id="1792877" UNION SELECT * FROM gallery2 WHERE topic_id="1594492" UNION SELECT * FROM gallery2 WHERE topic_id="437499" UNION SELECT * FROM gallery2 WHERE topic_id="1254766" UNION SELECT * FROM gallery2 WHERE topic_id="1238213" UNION SELECT * FROM gallery2 WHERE topic_id="333106" UNION SELECT * FROM gallery2 WHERE topic_id="1783952" UNION SELECT * FROM gallery2 WHERE topic_id="1078730" UNION SELECT * FROM gallery2 WHERE topic_id="1284290" UNION SELECT * FROM gallery2 WHERE topic_id="485844" UNION SELECT * FROM gallery2 WHERE topic_id="1456689" UNION SELECT * FROM gallery2 WHERE topic_id="1108610"