Tazkiyyah (purification of the nafs)

The Essential Elements of the Islamic Nafsiyyah (disposition) by Hizb ut-Tahrir

A Brief of the Provision of the Hereafter by Ibn Qay'em El Jozeyah

Adab Al-Mufrad by Imam Bukhari

Deeds of the Heart by Muhammad Salih Al Munajjid

Islamic Manners By Shaykh Abdul Fattah Abu Ghudda

Knowledge Mandates Action by Imaam Abu Bakr Ahmad bin ‘Alee Al-Khateeb Al-Baghdaadee

Major sins by Imam Shamsu ed-Deen Dhahabi

Patience and Gratitude by Ibn Qayyim al-Jawziyyah

The Purification of the Soul (Compiled from the works of Ibn Rajab al Hanbali, Ibn Al Qayyim and Al Ghazali)

The Ideal Muslim by Muhammad Ali Al Hashmi

The Way to Patience and Gratitude

AL-KABA'IR (The Major Sins) based on the works of Based on Munawwir as-Sudur Lada al-Manazil wa 'lnda ad-Dur by Shaykh Ahmad Bamba and Abu Talib Makki's Qut al-Qulub:

Guarding the Tongue: based on the book 'Al Adhkaar' by Imam Nawaw