Professor Moody!" said a shocked voice.Professor McGonagall was coming down the marble staircase with her arms full of books."Hello, Professor McGonagall," said Moody calmly, bouncing the ferret still higher."What - what are you doing?" said Professor McGonagall, her eyes following the bouncing ferret's progress through the air."Teaching," said 
J.K. Rowling
draco-malfoy, ferret, harry-potter, mad-eye-moody, professor-mcgonagall, transfiguration