This Second Book as we have explained before is aimed to Magnify the obligation of worshiping Allah Alone through the three Question the slave is asked in his grave.
Because each question leads you to it, for if you know your Creator as you should it should lead you to worshiping Him Alone.
And if you know your religion, it will lead you to knowing that the reality of it is Worshiping Allah Alone.
And if you know your Messenger, it will lead you to knowing that his message was calling the Jinn and Human Race to worship Allah Alone.
In the first class we should be able to take a general Idea of the Book, and finish explaining the first part of the introduction which consists of three Parts.