If you can access an amazon kindle or the app on your phone, another similar book is Love Must Be Tough by James Dobson.
UpperCut Me: 28 W: 25 Married: 4 yrs Together: 7 yrs Dday: 9/14 (W ends affair & comes home) S: 12/14 (W restarted affair 1/15; moved near OM 2/15) No kids