T.H. White
Author: T.H. White
Publisher: Berkley (1978)

When he reached the schoolroom, he found that Kay was continuing his First Rate Eddication. He was doing dictation, for as Wart opened the door he heard Merlyn pronouncing in measured tones the famous mediaeval mnemonic: 'Barabara Celarent Darii Ferioque Prioris,' and Kay saying, 'Wait a bit. My pen has gone all squee-gee.