Harry Potter and the Order of the Phoenix (Harry Potter, #5)

by J.K. Rowling

“Kenneth Towler came out in boils, d’you remember?” said Fred reminiscently. “That’s ’cause you put Bulbadox Powder in his pajamas,” said George. “Oh yeah,” said Fred, grinning. “I’d forgotten. . . . Hard to keep track sometimes, isn’t it?”