three o'clock
Myra 's face crimsoned and her tell-tale eyes dropped , then lifted again , twinkling like twin stars . `` Huh ! '' she giggled , `` our detective again ! Say , are you going to catch that train at three o'clock ? If so , just take wings to your feet and fly for home . Mrs. McKittrick can hear all about everything when you get back . The children are alive and well , and that 's the main point .