Eleven o'clock
The others said nothing , but when nine o'clock had come and gone even Frank became uneasy . `` Do n't see what is detaining him , '' he said . `` Nor I -- if he really meant to come back , '' said Jack . Eleven o'clock and still their captor had not returned . `` He said he would be back by midnight , '' said Frank . `` He said lots of things , '' said Jack , `` but they did n't make the same impression on me they seem to have made on you . I do n't believe he is coming . ''