he was already standing , so he took a seat on the edge of the table . if you will tell him professor murphy is here , i think he will find time to speak with me . `` why do i still feel like you 're saying good-bye ? '' `` around three miles , i think , '' marco replied . that was odd : she was quite a distance into the system of tunnels . i had a hamburger before i returned with mary ann 's lunch . he was pleased she did n't argue with him . 