Ten o'clock
Beyond his face she saw a line of straight , stiff firs beside the track , and the blue foot-hills through which the train was winding its way upwards to the mountains . She stretched herself sleepily , murmuring : -- `` Dear , I 'm so tired ! Is it late ? '' `` Ten o'clock . We 're due in half an hour . I had to wake you . '' `` In half an hour ! ''