Start with high-confidence co-parenting books, then narrow by subgenre or adjacent topics.
Divorce Poison New and Updated Edition
Dr. Richard A. Warshak
Co-parenting Works!
Tammy G Daughtry
Winning Custody
Deedra Hunter, M.S., L.M.H.C, Tom Monte
Why Did You Have to Get a Divorce? and When Can I Get a Hamster?
Anthony E. Wolf, Ph.D.
Parenting Apart
Christina McGhee
Fair Play: Reese's Book Club
Eve Rodsky
The Co-parenting Handbook
Karen Bonnell