Du Maurier, Major Guy. An Englishman's Home : A Play in Three Acts. New York & London: Harper and Brothers, 1909. 1st .
Good brick red cloth hardcover with bright gilt titles, 5 3/4 x 8 1/4, frontispiece illustration, 131 clean pp., tight. With a tipped-in note at the back with comment, see following note. Very good. Hardcover. 
"The author, a son of the artist George du Maurier, was killed in Flanders in March 1915 during World War I. For an interesting reference to this work, see Operation Sea Lion, by Peter Fleming, New York, 1957." - Typewritten note tipped in.
There is an article about this book at Wikipedia, to which we refer you. It mentions the popularity of this play, and that it caused a sensation in London when it opened in 1909. It is a a significant example of "invasion literature," and the unnamed invader in the play was assumed to be Germany. "The play stressed Britain's unpreparedness for attack, and has been credited with boosting recruitment to the Territorial Army in the years immediately before World War I."