The Illustrious Life of Muhammad (Peace & Blessings be upon him) by Imam Ibn Jawzi (d. 597H)
The Way of the Worshipper by Hafiz al-Mundhiri (d. 656H)
The Downfall of Muslims and The Solutions by Imam Muhammad Nasir al-Din Al-Albani
Patience and Perseverance by Al-Hafiz ibn Abi Al-Dunya (d. 281H)