stanza 2/3: association of ‘book’ and ‘a bird’ is metaphorical for the freedom that literature escapism, ‘flown’ stems from the semantics of flying, literature transport you out melancholic tone permeates within images of ‘the moon’ and ’sleeping’. melancholic numbing, end of her relationship feminine ‘moon’ is all-seeing, feminine symbol vision comforting image,drowsy consonance of ‘m’ across ‘monocle’ and ‘moon’ further this idea, sibilance on the following line, ‘sleeping S’ aural quality.