Some of my most valued and learned colleagues have written some excellent books for divorcing parents, parenting, and step parenting which I highly recommend. I have worked extensively with Karen Bonnell and Kristen Little over the years I have been practicing Collaborative Divorce, and I cannot speak highly enough about them. Luckily, I have the opportunity to work with them here in Seattle!
Karen Bonnell has written the following books:
The Co-Parenting Handbook: https://www.amazon.com/Co-Parenting-Handbook-Well-Adjusted-Resilient-Separation/dp/1632171465/ref=sr_1_1?s=books&ie=UTF8&qid=1540061774&sr=1-1&keywords=Karen+Bonnell
The Step Family Handbook: https://www.amazon.com/Stepfamily-Handbook-Getting-Serious-Forming/dp/172085520X/ref=sr_1_1
Kirsten Little has just release the following book: