Alan Alexander Milne,
The Red House Mystery
(1922)
“ The four walls of the library were plastered with them from floor to ceiling, save only where the door and the two windows insisted on living their own life, even though an illiterate one. To Bill it seemed the most hopeless room of any in which to look for a secret opening. "We shall have to take every blessed book down," he said, "before we can be certain that we haven't missed it." "Anyway," said Antony, "if we take them down one at a time, nobody can suspect us of sinister designs. After all, what does one go into a library for, except to take books down?" ”
