Diseases of the Hearts and Their Cures by Ibn Taymiyyah, translated by Abu Rumaysah, is an Islamic book exploring spiritual and moral illnesses that affect the human heart. Drawing on Islamic teachings and guidance from the Quran and Sunnah, the book discusses diseases such as jealousy, arrogance, pride, hypocrisy, and excessive attachment to worldly life. It offers insights into spiritual purification, strengthening faith, and developing better character through Islamic knowledge and practice. Ideal for readers interested in Islamic spirituality, self-improvement, purification of the heart, and authentic Islamic teachings.