"'OK, into our hideout' ... the floorboards were put back into place above us, a crossbar was secured from below to make it impossible to lift our covering" (page 74)

Images adapted from Mr. Thinktank and MNgilen at Flickr.

Music from Beethoven's Violin Concerto in D, Opus 61, first movement: http://www.musopen.com/music.php?type=piece&id=454