People of the Book or Ahl al-kitāb (Arabic: أهل الكتاب) is an Islamic term referring to followers of those religions which Muslims regard as having been guided by previous revelations, generally in the form of a scripture.
"People of the Book", or followers of pre-Islamic monotheistic religions with some form of scripture believed to be of divine origin which were mentioned in Quran: Jews, Christians, Sabians, Magians or Zoroastrians. Sometimes said to include also Hanifs. Has at times been extended to include pre-Islamic religious traditions with scriptures which were not mentioned in Quran, e.g.: Buddhists, Hindus, Taoists, Confucians.