This book is designed to familiarize children with many of the instruments and machines they are likely to encounter at a doctors or hospital. It is written in a positive and friendly way and includes Your Job - instructions what a child can do to help.This book is designed to familiarize children with many of the instruments and machines they are likely to encounter at a doctors or hospital. It is written in a positive and friendly way and includes Your Job - instructions what a child can do to help.