Addressing key topics in child custody evaluation, this book provides essential knowledge for practitioners who want to meet the highest standards for both scientific validity and legal admissibility. The authors are leading experts who describe the latest data-based approaches to understanding and assessing relevant child, parent, and family factors. Going beyond the basics, the book gives in-depth attention to challenging, frequently encountered issues, such as how to evaluate allegations of domestic violence, child sexual abuse, and child alienation. Also covered are the complexities of interviewing children effectively and working in the adversarial forensic context. A user-friendly appendix contains sample letters and statements of understanding, with permission to photocopy.