"Kitab Fiqih Asmaul Husna" is a comprehensive book that explores the intricacies of Asmaul Husna, the 99 Beautiful Names of Allah. The book provides an in-depth analysis of each name, delving into its meanings, implications, and significance in the context of Islamic theology. Syaikh Abdurrazzaq's work is considered a masterpiece in this field, as it not only provides a detailed explanation of each name but also offers practical insights into how to incorporate these names into one's daily life.