1The Parents' Guide to Perthes is a reassuring guide for parents learning how to handle their child's condition. Written in everyday language, this book explains the stages of Perthes, including how the age of the child affects the course of the disease. Illustrations and x-ray examples show the effects of Perthes in the hip joint for different children. The book describes how doctors diagnose Perthes and develop a treatment plan. It also includes first-person accounts from parents and children about their Perthes experiences.