My Sister, My Friend is an endearing tale of two sisters, one who has Williams syndrome and one who does not. It is meant to be used as a tool for parents/teachers to read with their children. It will take you on a journey through the youngest child’s questions about why her older sister is a little different from her. Throughout the book, Williams syn- drome is discussed with respect, as well as accurate information. The journey begins with questions, but it ends with acceptance, understanding, love, and, most of all, friendship.