Jonathan W. Gould, PhD, is a board-certified forensic psychologist specializing in psychological aspects of family law matters, including child custody and child maltreatment. He has authored or coauthored seven books and several dozen peer-reviewed articles and book chapters addressing child custody matters. He has presented at national and international conferences to mental health professionals, attorneys, and judges for more than three decades. This book represents an update and conceptual extension of his previous books, Conducting Scientifically Crafted Child Custody Evaluations and The Art and Science of Child Custody Evaluations (with David Martindale). Christopher M. Mulchay, PhD, ABPP, is the coauthor of The Family Law Professional's Field Guide to High-Conflict Litigation: Dynamics, Not Diagnoses. With Jonathan Gould, Dr. Mulchay has coauthored chapters on child custody in both The Oxford Handbook of Psychology and Law (2023) and APA Handbook of Forensic Psychology (2025). Dr. Mulchay has also reviewed tests for the Journal of Pediatric Neuropsychology. He has published four test reviews, and he has multiple currently under review. Dr. Mulchay is board-certified in forensic psychology by the American Board of Professional Psychology. He is a fellow in the American Academy of Forensic Psychologists.