Defensa o traición (Defend and Betray) is the third installment in Anne Perry's Victorian-era William Monk series, published in 1992. The plot follows investigator William Monk and nurse Hester Latterly as they uncover dark secrets within the aristocracy after a General’s wife confesses to a murder that seems to be a cover-up. For more details on the book, visit Google Books . Defend and Betray: Perry, Anne: 9780449907559 - Amazon.com