Try Amazon any other bookstore, or this website for Michelle Weiner Davis' "Divorce Busting" and "Divorce Remedy". The Five Love Languages are by Gary Chapman also available at any bookstore.
You have my sympathy, my walk away spouse is not exactly friendly to me either and he is distant at best. It's hard place to be. Just keep in mind you can't change her or her mind right now. You can only change yourself and your behaviour.
BITS Me-51, WAS-52 Kids 2 M-26yrs, H.left 2009, 2 more Bomb drops, Reconnection spring 2013 Change is inevitable, personal growth is a choice. Love is a action and choice you make, every day.