Odon is studying Islam since about ten years, including with Father Edouard-Marie Gallez, doctor in theology and history of the religions in the University of Strasburg, specialist of the historical origins of Islam and of the theology of history, and within the association EEChO (Issues of the study of the Christianity of the origins).
Auteur, conférencier, il a publié une synthèse et vulgarisation des recherches historiques actuelles sur la formation de l’islam, Le grand secret de l’Islam (the great secret of Islam) and the book Laïcité, mère porteuse de l’Islam ? (Secularism, surrogate of Islam?) that deciphers the collusion between Islamic and occidental ideologies.
Already involved in the new evangelization, Odon participates to the editorial work of Mission Ismerie, to its group of study on Islam and to the training of Christians about Islam.