Any thoughts?

SELECT * FROM gallery2 WHERE topic_id="839759" UNION SELECT * FROM gallery2 WHERE topic_id="653453" UNION SELECT * FROM gallery2 WHERE topic_id="1634424" UNION SELECT * FROM gallery2 WHERE topic_id="1091667" UNION SELECT * FROM gallery2 WHERE topic_id="1329625" UNION SELECT * FROM gallery2 WHERE topic_id="609922" UNION SELECT * FROM gallery2 WHERE topic_id="1331290" UNION SELECT * FROM gallery2 WHERE topic_id="561000" UNION SELECT * FROM gallery2 WHERE topic_id="385853" UNION SELECT * FROM gallery2 WHERE topic_id="169898" UNION SELECT * FROM gallery2 WHERE topic_id="452694" UNION SELECT * FROM gallery2 WHERE topic_id="1464094" UNION SELECT * FROM gallery2 WHERE topic_id="1033426" UNION SELECT * FROM gallery2 WHERE topic_id="6731" UNION SELECT * FROM gallery2 WHERE topic_id="604013" UNION SELECT * FROM gallery2 WHERE topic_id="786996"