The Tree of Faith is a book by Al-Allamah Abdur-Rahman Al-Sa'di. This book is translated by Abu Rumaysah and is of 95 pages. The book was published by Al-Hidaayah Publishing.
Other Sources:
Al-Muhaymin (The Guardian) - Allah's / Gods' Name
Al-Muhsiy (The Accounter, The Numberer of All) - Allah's / Gods' Name
