It is called "al-Kitab" (Book). He is so well known and highly revered that when a Muslim speaks of the "Book," it is clear that he means the holy Quran. This is a book of books, because it is the last and final revelation of Allah (Holy and Great) to humanity.

Allah did not establish any uniformity for His creations
On Human Rights and Pluralism Laid in the Quran
03 September 2019
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  Teymur Atayev The first legal opponent The opinion that Islam has nothing in common with human rights became the mainstream view on a global scale. This topic has appeared on the surface in the…
Do we read the “word of our Lord” regularly?
10 Ways to Become One of People of Quran
02 September 2019
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  Dr. Ali Al-Halawani   Years ago, I heard about a village in the former Soviet Union, whose inhabitants were non-Arab Muslims. All they got was a single copy of the Quran which was inherited from…