This document introduces a book about dealing with relatives. It notes that families can be diverse, with relatives displaying a wide range of behaviors from cautious to carefree. The book aims to provide insights and communication skills to constructively deal with relatives. It does this through four parts: introducing eight common relative behaviors, teaching basic communication skills, addressing family gatherings, and providing options for dealing with each behavior. The document concludes by introducing the authors, twin physicians who have studied relationships and human nature. Their book draws on interviews to share solutions for improving difficult family relationships.