eleven
o'clock
And then the letters -- several of them , for each one wrote a few lines and made triplicates of it , since three packages were to be dropped . The letters , to begin again , were written and the bundles were made up . They contained cigarettes , cakes of hard chocolate , soap and a few other little comforts and luxuries that it was certain Harry would be glad to get . The rest of the plan would have to be left to Tom and Jack to work out , and , having talked it over with their friends , they found it was time for them to start to their station , since their leave was up at eleven o'clock that night . Getting permission for a week 's absence was not as easy as securing permission to go to Paris . But Tom and Jack waited until after a sharp engagement , during which they distinguished themselves by bravery in . the air , assisting in bringing down some Hun planes , and then their petition was favorably acted on .