Harry Potter and the Prisoner of Azkaban (Harry Potter, #3)

by J.K. Rowling

“All righ’?” he said eagerly, pausing on the way to the staff table. “Yer in my firs’ ever lesson! Right after lunch! Bin up since five gettin’ everythin’ ready. . . . Hope it’s okay. . . . Me, a teacher . . . hones’ly. . . .” He grinned broadly