/// <summary> Refresh the list of titles which have multiple volumes by pulling the data back from the database </summary>
        /// <returns> TRUE if successful, otherwise FALSE </returns>
        public static bool RefreshTitles()
        {
            try
            {
                lock (titleListLock)
                {
                    if (titleList == null)
                    {
                        titleList = new Multiple_Volume_Collection();
                    }

                    Engine_Database.Populate_Multiple_Volumes(titleList, null);
                }

                return(true);
            }
            catch
            {
                return(false);
            }
        }