noon
`` You are as bright as a button . No time to lose ; I 'm off ; '' and off he was , splashing through the mud to post the letter , on the back of which he added , to make the thing sure , `` Hurry up . F.M. '' Both felt rather guilty next day , but enjoyed themselves very much nevertheless , and kept chuckling over the mine they were making under Jack 's unconscious feet . They hardly expected an answer at noon , as the Hill people were not very eager for their mail , but at night Jill was sure of a letter , and to her great delight it came . Jack brought it himself , which added to the fun , and while she eagerly read it he sat calmly poring over the latest number of his own private and particular `` Youth 's Companion . '' Bob was not a `` complete letter-writer '' by any means , and with great labor and much ink had produced the following brief but highly satisfactory epistle . Not knowing how to address his fair correspondent he let it alone , and went at once to the point in the frankest possible way : -- `` Jack did come up Friday .