postgresql7.4 SELECT s.textbook_set_id, s.live_revision_id FROM cc_uos u, cc_uos_revisions r, cr_items i, cc_uos_textbook_set s WHERE u.uos_id = :uos_id AND i.item_id = u.uos_id AND r.uos_revision_id = i.live_revision AND s.parent_uos_id = :uos_id SELECT t.textbook_id, t.title, t.author, t.publisher, t.isbn FROM cc_uos_textbook t, acs_objects o, cc_uos_textbook_map m WHERE o.package_id = :package_id AND t.textbook_id = o.object_id AND m.revision_id = :live_revision_id AND t.textbook_id = m.textbook_id ORDER BY t.title