What kind of a book is the Small Catechism?

When Doctor Martin Luther (1483 - 1546) served as an inspector of congregations, he discovered that there was a desparate need of instruction in Christian doctrine in the congregations. The members and even some of the pastors were not acquainted with the basic doctrines of the Christian religion. This prompted Luther to write the Small Catechism in the year 1529. Into this small book he collected from the Bible the chief doctrines of the Christian religion. The book was well received by the people. It was included among the confessional books of the Lutheran Church, and is still used as a book of instruction in all confessional Lutheran churches.

Assignment: Check in Catechism and see what the chief articles of the Christian faith are.