This book is an introduction to biblical studies. This form of the book helps facilitate its study, arrangement of topics and memorization. In the catechism, ten topics are considered: "The believer and his God", "Scripture as the Word of God", "Nature, purpose and character of God", "God's works: creation and providence", "Sin and law", "Redemptive plan and Redeemer", "Salvation and Christian life", "Blessing and service of the Gospel", "Church and church institutions", "Last events". Book of purpose for ministers, parents and students.