Hazarat Khwaja Sahib was not only a great mystic but he was also an excellent preacher. He was an eminent scholar and writer and poet. He has written many books and letter in Perian. He has left behind a collection of poems in his diwan in Persian. Much about Hazarat Khwaja Sahib has been discussed by the writers of Siyarul Auliya and Siyarul Aqab.

Some of his book are :

1. Anisul-Arwah. This book written by Hazarat Khwaja Sahib is in Persian and has 18 chapters. This book was written at the behest of his spiritual teacher Hazrat Khwaja Usman-e-Harooni. Every stage that Hazarat Khwaja Sahib had passed during his twenty years with Hazrat Khwaja Usman-e-Harooni is recorded and explained by Hazarat Khwaja Sahib. All the people and Sufis and saints whom he met, all about his travels, all the problems and their results, all the discourses of Hazrat Khwaja Usman-e-Harooni and advises, his period of apprenticeship, his initiation as a disciple of Hazrat Khwaja Usman-e-Harooni and all the knowledge he gained and much more is recorded in this book. This book is a masterpiece in Sufism.

2. Hadisul Maaruf. This book written by Hazarat Khwaja Sahib is on esoterism. It consists of a collection of traditions and helps to know the secret to realize divinity and follow the way of Marefat. It is a rare book.

3. Kanjul Asrar. This book was written by Hazarat Khwaja Sahib in Persian at the behest of Hazrat Khwaja Usman-e-Harooni for the guidance of Sultan Altamash. It is a priceless book of divine knowledge. It is divided knowledge. It is divided into 25 parts and covers much on sufism. It consists of Qur’aanic Verses and their explanations, the traditions of Allah’s Messenger (Blessing of Allahand Peace be on him) and their explanations and the sayings and explanaitons of other sufi saints and mystics. The Sultan benefitted by its inner meanings and implications and achieved divine wisdom.

4. Risala Magoga.

5. Kashful Israr. This book on sufism is in Persian.

6. Diwan-e-Moin. These poems written by Hazrat Khwaja Sahib have stood the test of time. They are in Persian and project Hazrat Khwaja Sahib as a great port. These poems are also a source of guidance. The following couplet by Hazarat Khwaja Sahib emphasizes his art of writing poems. It depicts his clarity of thoghts and love for the Ahle Bait:

“Shah ast Husain, Badshah ast Husain, Sardaad na daad dast dar dastey Yazid, Haqqa ke bana-aey La ilah ast Husain.” Translation : “Ruler is Husain, Empero is Husain, Religion is Husain, shield of religion i.e. Islam is Husain, Gave his head (for Islam) but not his hand to Yazid, To maintain the truth no one but is Husain.”

7 Risala Tasawwuf. It is a collection poetries written in Persian by Hazarat Khwaja Sahib.

8. Risala Afaqul-Nafs. This compilation consists of knowledge, in Persian. It consists of answers and discussions on matters of sufism.

9. Hazrat Khwaja Qutbuddin Bakhtiyar Qaqi (Allah's Mercy be on him) has collected all the sacred sayings of Hazarat Khwaja Sahib is his book Dalil-e-Arafeen. These genral quotes are equally significant and are useful guide to people and sufis. They cover many topics like : life and death, prayer and zikr (meditation), love and fear of Allah, patience and humility, charity and hospitality, enlightenment and knowledge, realization and repentance, disciple and teacher, mystic and darwesh, love and respect of Allah’s Messenger (Blessing of Allahand Peace be on him), respect of pious and elders, to eat, sleep and socialise less, etc. e.g.

(a) The faithful keeps three things friendly : remonstration, illness and death.

(b) The mystic is one who drives out of heart everything other than truth so that he becomes the true friend of Allah.

(c) A hundred angels are at the bedside of one who sleeps in a state of purification.

(d) The best way to avoid Hell is to feed the hungry, give water to the thirsty and provide to the needy and be friendly to the miserable and treat the enemies nobly.

(e) Patience is tested through sufferings, sorrows and resignation without the slightest disclosure of panic to other.

(f) Namaaz is the ultimate bond – a relation between the faithful and Allah.

(g) Let not your physical body only, but your heart and soul move round the Ka’aba.

(h) Allah blesses people who are charitable and generous and compassionate.

(i) The pinnacle of enlightenment is that a person may feel restless in the love of Allah.

(j) A spiritual disciple should follow his spiritual teacher as the latter enlightens the former about his virtues and vices, and makes him attain perfection, etc.

10. Hazarat Khwaja Sahib wrote valuable letters to his spiritual successor, Hazarat Khwaja Qutbuddin Bakhtiyar Qaqi at Delhi during the reign of Sultan Altamash. These seven letter consisted preachings and advices. In it were also topics related to sufism if followed and practised would assure success as a true mystic. In some letters stories and incidents related by Hazrat Khwaja Usman-e-Harooni to Hazarat Khwaja Sahib are mentioned. Some points on the manner of achievement of divine love are explained and how to learn about Divine mystery.

Some of the topics discussed are :

1. How to pray to Allah and to love Allah so as to achieve divine knowledge and spiritual peace.

2. How to control oneself so as to attain Allah’s protection from the clutches of Satan and avoid worldly power.

3. To obtain nearness to Allah by doing good and noble deeds. It is necessary ascribe all actions to Allah.

4. Firm faith is based on Zkir of Allah especially of the recitation of the Kalima Taiyyab and Kalima Shahadat.

5. To be a perfect darwesh or mystic one should forget the ‘I’, status, power, wealth, wants and desires. One should forget his own existence, merge his self with Divine Reality and remember only Allah. This method was taught by Hazrat Khwaja Usman-e-Harooni to Hazarat Khwaja Sahib is by negation (self) and asertion (Allah). Hazarat Khwaja Sahib is an exponent of spiritual values necessary to human life. His lifestyle and teaching inspire all the people irrespective of class, caste, creed, colour, country and gender.