This present book is an invitation to discover this immense happiness; he proposes to guide the reader towards faith in his Lord who created him, to orient him towards the truthful belief which is in conformity with sound reason and the original nature of man.

This book is a presentation of Islam, the last religion revealed to humanity, the one by which _ Allah closed the cycle of revelations, which he approved for His servants and enjoined them to embrace.

The reader will come to know the greatness of this religion, the truthfulness of its message, and its suitability for all times, places, and peoples.