This document offers guidance to catechetical publishers in the development of instructional material. It provides guidance in creating doctrinal content of catechetical text and materials, curriculum development, and catechetical instruction that completely define and present the teaching of the Church for young people of high school age. It's a helpful resource for Catholic high schools, parish religious education programs, children schooled at home or within the context of the catechetical instruction which should be part of every youth ministry program. It is also designed to help young people develop the necessary skills to answer and address the real questions in life and in their Catholic faith. It's an important resource for catechetical leaders, teachers, and laypersons.