The Kitáb-i-Aqdas or Aqdas is the central book of the Bahá'í Faith written by Bahá'u'lláh, the founder of the religion, 1853-1873. It has the same status as the Quran for Muslims or the Bible for Christians. The work was written in Arabic under the Arabic title , but it is commonly referred to by its Persian title, Kitáb-i-Aqdas , which was given to the work by Bahá'u'lláh himself. It is sometimes also referred to as "the Most Holy Book", "the Book of Laws" or the Book of Aqdas. The word Aqdas has a significance in many languages as the superlative form of a word with its primary letters Q-D-Š.

The Kitáb-i-Aqdas or Aqdas is the central book of the Bahá'í Faith written by Bahá'u'lláh, the founder of the religion, 1853-1873. It has the same status as the Quran for Muslims or the Bible for Christians. The work was written in Arabic under the Arabic title , but it is commonly referred to by its Persian title, Kitáb-i-Aqdas , which was given to the work by Bahá'u'lláh himself. It is sometimes also referred to as "the Most Holy Book", "the Book of Laws" or the Book of Aqdas. The word Aqdas has a significance in many languages as the superlative form of a word with its primary letters Q-D-Š.