he replied , his expression earnest for once . he stood up , and started to pace the room . i did n't know if he was just being nice , or if his other customers really enjoyed my choice in books , but it was neat to have a section somewhat of my own . i had to blink to stay focused . `` behind that girl 's skull is a brain , and one that is just as good as mine and most certainly as good as yours ! the color in his tan face changed to red . 