This guide is structured to assist students, santri , and researchers in understanding the text, the specific translation method (Pegon), and how to effectively utilize the 2021 PDF edition. Edition: 2021 PDF I. Introduction The Kitab Khulasoh Nurul Yaqin is a classical Islamic text widely used in Pesantren (Islamic boarding schools) across Southeast Asia, particularly in Indonesia. It focuses on the science of Tawhid (Monotheism) and Aqidah (Islamic Creed), specifically adhering to the Ash'arite school of thought ( Ahlus Sunnah wal Jama'ah ). Ep9000cusa0880900sotc0000000000eua0100v0100 - 3.79.94.248