Lesson of Tawhid, also known as Qawl Al-Mufid, is a work rich in teachings on Islamic belief, particularly on the unity of Allah. Compiled by Sheikh Muhammad Ibn 'Abd Al-Wahhab Al-Wusâbî, this book represents a valuable treasure of essential knowledge for all Muslims. It addresses various aspects of Tawhid, including divine unity through His Names and Attributes, as well as clarification of concepts related to association. Despite its modest size, this book offers teachings of remarkable depth, worthy of integration into educational programs. Available in French language.