Shaykh ‘Abd ar-Rahman ibn Nasir as-Sa’di was at-Tamimi – rahimahullah – was a well known Saudi scholar who wrote several interesting books, ranging several topics. A short biography can be found here: http://en.wikipedia.org/wiki/Abd_ar-Rahman_ibn_Nasir_as-Sa%27di and here: http://abusuliyman.multiply.com/tag/biography%20as-sa’dee Several works of his hand are translated into English. To let everyone benefit from these works they can be downloaded here:
1.) al-Durrat al-Fakhirah – The Exquisite Pearl (translated by Abu Aaliyah Surkheel Sharif from the Jawziyyah Institute), a poem on suluk with commentary.
2.) Taysir al-Karim ar-Rahman fi Tafsir al-Qur’an – Tafsir of the Qur’an and his most famous work (partly translated; also available in Dutch, the last hizb, nr. 60)
3.) al-Qawa’id wa’l-Usul al-Jami’ah wa’l-Furuq wa’t-Taqasim al-Badi’ah an-Nafi’ah – The Basic Rulings and Principles of Fiqh, The Beneficial, Eloquent Classifications and Differentiations
4.) Risalah Latifah Jami’ah fi Usul il-Fiqh il-Muhimmah – An Essay Concerning Usul ul-Fiqh
(Source for 3. and 4. http://siraajunmuneer.wordpress.com/usul-al-fiqh/)
May Allah reward the translators of these works and help us benefit from these works.