" Hey!' I called with an annoyed voice. 'Charles!'
The little Pteradactyl looked up. 'Ah, my good friend!'
'What about the chaos?' I demanded.
'Done!' Charles said.
'We each moved six books out of their proper places,' called George the Stegosaurus. 'It will take them days to find them all and put them back.'
'Though we did put them into place backward,' Charles said. 'You know, so they could be seen more easily. We wouldn't want it to be too hard.'
'Too hard?' I asked, stupefied. 'Charles, these are the people who were going to kill you and bury your bones in an archaeological dig!'
'Well, that's no reason to be uncivilized!' Charles said. "

― Brandon Sanderson , Alcatraz Versus the Evil Librarians (Alcatraz, #1)