diff --git a/booking.install b/booking.install
index 5cf3165..08f55c1 100644
--- a/booking.install
+++ b/booking.install
@@ -877,8 +877,6 @@ function booking_schema() {
 			'booking_node_id' => array('type' => 'int', 'unsigned' => TRUE, 'not null' => TRUE, 'disp-width' => '10'),
 			'booking_studygroup_id' => array('type' => 'int', 'unsigned' => TRUE, 'not null' => TRUE, 'disp-width' => '10'),
 			'booking_session_id' => array('type' => 'int', 'unsigned' => TRUE, 'not null' => TRUE, 'disp-width' => '10', 'default' => 0),
-			//'booking_is_leader' => array('type' => 'varchar', 'length' => '1', 'not null' => FALSE),
-			//'booking_is_helper' => array('type' => 'varchar', 'length' => '1', 'not null' => FALSE),
 			'booking_studygroup_role' => array('type' => 'varchar', 'length' => '100', 'not null' => FALSE, 'default' => 0),
 		),            
 		'primary key' => array('sid'),
diff --git a/booking.studygroups.inc b/booking.studygroups.inc
index 763de88..cf489e1 100644
--- a/booking.studygroups.inc
+++ b/booking.studygroups.inc
@@ -1762,14 +1762,22 @@ function booking_studygroups_process_colours() {
 	global $event;
 	
 	//get the id of the special study group that is actually the reading group
-	$readinggroup_studygroup_id = variable_get('booking_readinggroup_id','7');
+	//$readinggroup_studygroup_id = variable_get('booking_readinggroup_id','7');
 	
 	//TODO: Query for all groups with the reading group flag set to Y, and loop through them all
 
+	//db select
+	//  join on booking_studygroup_list where booking_is_readinggroup = Y
+	$query = db_select('booking_studygroup_mapping', 'm');
+	$query->join('booking_studygroup_list', 's', 's.sid = m.booking_studygroup_id');
+	$query->condition('s.booking_is_readinggroup', 'Y', '=');
+	$query->fields('m')->fields('s', array('booking_studygroup_descrip'));
+	$group_mapping = $query->execute()->fetchAllAssoc('sid');			
+
 	//query for the mappings relating to $readinggroup_studygroup_id
-	$group_mapping_query = db_query("SELECT * FROM {booking_studygroup_mapping} WHERE booking_eventid = :eid AND booking_studygroup_id = :sid",
-		 array(':eid' => $event->eid, ':sid' => $readinggroup_studygroup_id));
-	$group_mapping = $group_mapping_query->fetchAll();	
+	//$group_mapping_query = db_query("SELECT * FROM {booking_studygroup_mapping} WHERE booking_eventid = :eid AND booking_studygroup_id = :sid",
+	//	 array(':eid' => $event->eid, ':sid' => $readinggroup_studygroup_id));
+	//$group_mapping = $group_mapping_query->fetchAll();	
 	
 	foreach ($group_mapping as $mapping)
 	{