about five o'clock
`` Never you mind that dream book , '' Tommy replied . `` Whenever you want to find the answer to any puzzle , you look in that dream book ! '' After eating another hearty meal the boys , having already packed their wardrobes , locked the door of their room and addressed themselves to slumber . They were awakened about five o'clock by a loud knocking on the door , and presently they heard the voice of Canfield calling to them . `` Wake up , boys ! '' he cried . `` I have good news for you ! ''