eight o'clock
Suppose his grandfather should learn the whole truth , as , sooner or later he surely would . What then ? Pen decided that it would be better to tell him now . At eight o'clock , when he returned home , he found Colonel Butler still seated in the library , busy with a book . He removed his cap and coat in the hall , and went in . The colonel looked up inquiringly . `` The flag , '' reported Pen , `` was picked up by the boys , and carried back to the school-house .