(The Book of Tawhid) written by the Sheikh of Islam Muhammad bin Abdul Wahhab - may God have mercy on him - (d. 1206) “A book of great benefit, worthy of careful attention to memorize, study and meditate, for the servant needs it to work on it and to convey the knowledge it contains to those behind it.” From people, whether they are in the mosque, at home, at his workplace, or in another place.
The point is that whoever understands this book has understood most of the issues of unification of worship, and in fact he has understood most of its issues and most of them.

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