Wahf Al-Qahtani, Sa'eed ibn 'Ali A Mercy to the Universe / Sa'eed ibn 'Ali bin Wahf Al-Qahtani ; Translator Faisal bin Muhammad Shafeeq - Riyadh : Maktaba Darussalam, 2007. - 448 p. ; 22 cm. ISBN: 996099564X Subjects--Personal Names: Muhammad, Prophet, d. 632 -- Appreciation LC Class. No.: BP76.2