" Dear Ivan , " " Little Black Book , " and " P.T. 109 " ( about John F. Kennedy 's military adventure ) all reached the Top 10 on the Country singles charts while " To a Sleeping Beauty , " and " The Cajun Queen " charted in the Top 20 . All five of these songs also hit the Top 40 on the pop singles charts , with " P.T. 109 " making the pop Top 10 as well .