This edition does not contain the transliteration of the Arabic texts. The is a book of prayers and devotional observances. Among the religious traditions of humanity the Imami Shi'ah tradition within Islam is unmatched in its rich corpus of devotional texts ( du'a and ziyarah literature) handed down from the original leaders of the faith, the Prophet Muhammad and the Imams of his family, the Ahl al-Bayt .The Mafatih al-Jinan is the most popular manual of Islamic devotional observances and prayer-texts by Shaykh Abbas Qummi , which draws its contents from well-known, reliable sources. As a manual of devotional literature, the Mafatih al-Jinan follows a long tradition established by the Misbah al-Mutahajjid of Shaykh Tusi (d. 460/1067) and followed up in the works of Sayyid Ibn Tawus (d. 664/1265), Kaf'ami (d. 905/1499) and others. Most of the contents of the Mafatih are drawn from these earlier works. Since its publication, the Mafatih has enjoyed an uncontested popularity among Farsi-speaking Muslims, and its Arabic and Urdu versions are widely used by the devout in the Arab world and the Indian subcontinent.