This work is a translation of the book 'Ad-Duroos Al-Muhimmah li-Ammatil-Ummah', Shaikh Abdul Aziz bin Baz. This books contains the lessons explaining the fundamental teachings of Islam. A wide range of basic information has been covered in this book such as the meaning of Tawhid (Islamic monotheism), the categories and implications of Shirk (polytheism), the regulations of prayer, and Islamic morals and manners. Like the title implies, these are really necessary lessons for people who are concerned with the correctness of his Islamic beliefs and acts of worship.
Following are the lessons taught in this book:
Memorization of Suwar, The declaration of faith, The Categories of Tawhid, The Pillars of Islam, Obligations of Payers, Tashahhud in Prayers, Sunnan of Prayers, Invalidators of Prayers, Conditions of Wudu, Obligations of Wudu, Invalidators of Wudu, Moral values, Islamic Manners, Warning against committing shirk and acts of disobedience, Preparing the deceased for burial.