This book is a start for a student of knowledge who would like to learn the basics of Tawheed and it's categorization in the light of Qur'an and Sunnah.
"O my son! Join not in worship others with Allah. Verily! Joining others in worship with Allah is a great Zulm (wrong) indeed. [Surah Luqman, verse 13]
In this book, Sheykh ul Islam Ibn Taymiyyah has refuted the wrong concept given by some deviated groups about acquiring an intermediary (human) and has presented arguments on the halal and haram intermediaries.
In this book, Dr. Al-Ashqar explains what Happens to a human soul after death, including the questioning of the angels and the torment of the grave. He also examines the signs of the Hour.