It goes without saying that the desire to accomplish the task with more confidence, to avoid wasting time and labour, and to spare our experimental animals as much as possible, made us strictly observe all the precautions taken by surgeons in respect to their patients.
Bio: Katherine Womeldorf Paterson is a Chinese-born American writer best known for children's novels. For four different books published 1975-1980, she won two Newbery Medals and two National Book Awards.