""Are We All Deceivers? The Lover�������s Blue Book"" is a novel written by Mrs. Frank Leslie and was first published in 1896. The story is set in the late 19th century and revolves around the lives of two sisters, Violet and Rose, who are both in love with the same man, Harold. The novel explores themes of love, deception, and betrayal as the sisters navigate their feelings for Harold and their relationships...