Catechism of the Catholic Church
Catechismus Ecclesiae Catholicae
It is offered to all the faithful who wish to deepen their knowledge of the in fathomable riches of salvation … The CCC, lastly, is offered to every individual who asks us to give an account of the hope that is in us (cf. 1pet3:15) and who wants to know what the Catholic Church believes … [St John Paul II, CCC pg5-6, section 3 – Doctrinal Value of the Text, para3]