The book Hajj, Umrah and Visiting the Prophet's Mosque is authored by Ibn Taymiyyah, as he has a large legacy of writings, as Al-Dhahabi said: «Perhaps his fatwas in the arts amount to three hundred volumes, not more.» He used to write from his memorization and did not have what he needed and reviewed it from books, and he was quick to recall verses, and he was quick to recall verses.