... happened to mention to Charlie Gordon that I was field officer for the day for command in the trenches next day, and, having only just returned from sick leave, that I was ignorant of the geography of our left attack. He said at once, 'Oh! come down with me to-night after dark, and I will show you over the trenches.' He drew me out a very clear sketch of the lines (which I have now), and down I went ... — The Life of Gordon, Volume I • Demetrius Charles Boulger