"God’s Mercy through Fasting" by Husayn Ansariyan delves into the spiritual and physical benefits of fasting within Islamic practice. The author explores how fasting is not only a form of worship but also a means to attain divine mercy, strengthen one's relationship with God, and cultivate self-discipline. Through a mix of Quranic references, Hadith, and insights from Islamic scholars, Ansariyan provides a comprehensive guide to the transformative power of fasting in a Muslim’s life. This book offers readers an understanding of how fasting extends beyond abstaining from food and drink, aiming to purify the soul and encourage moral and ethical conduct.