Al-Hajri started writing early in his career. Depending on his early interest in cultural history of various people across the world, he wrote extensively about
Chinese,
Arab and
African history. Some critiques considered his works on China to be unprecedented in the Arab world especially the
Gulf Region. • The Chinese edition of the book "Qatar in the Eyes of Travelers" (published by the Flower City House of the Southern Group for Publishing in Guangzhou, 2020.) • Kasar Katar a Idon Matafiya (the
Hausa Language edition of the book published by the
Ahmadu Bello University press Zaria 2022. •
Ilu Katar Loju Arinrin-ajo (The
Yoruba Language edition of the book published by the
University of Ilorin press, Nigeria 2022.) • ''Kotor N'anya Ndi Ojemba'' (The
Igbo Language edition of the book published by
University of Nigeria Nsukka 2023.) • The Spanish edition of the book (Qatar in the Eyes of Travelers" (published by the Andalusian Printing Press, Madrid, 2021) • The
Indonesian edition of the book (Qatar in the Eyes of Travelers" (published by
Gramedia Pustaka Utama, 2020) • The
Sinhala edition of the book (Qatar in the Eyes of Travelers" (published by Manara Publishing House, Sri Lanka, 2021) • The
Nepali edition of the book (Qatar in the Eyes of Travelers" (published in collaboration with
Kathmandu University, 2022) • The
Swahili edition of the book
Qatar in the Eyes of Travelers University of Dar El- Salam Press, 2025 • The
Amharic edition of the book "
Qatar in the Eyes of Travelers" (published by Dar Al-Najashi in Addis Ababa) • The
Urdu edition of the book "
Qatar in the Eyes of Travelers" was published in 2025. • The Kanuri edition of the book "
Qatar in the Eyes of Travelers" (published by
University of Maiduguri Press, Republic of Nigeria 2023) • The English edition of the book "
Qatar in the Eyes of Travelers" (published in 2025 in
University of Lagos). 2.
Arts in the Ming Dynasty, (Islamic Museum Authority - Qatar 2018). The book sheds light on the artistic fields during the
Ming dynasty. It introduces to the reader the conditions of the Ming dynasty in politics, economics, construction of defensive
military projects, cultural development, and other aspects. 3.
Economic Papers on the Silk Road (Chinese Publishing House, 2020): This book examines in detail the
Belt and Road Initiative by dividing it into "economic papers," each of which deals with one of the dimensions of this initiative and examines this initiative from a different perspective according to each economic paper. 4.
The Sun fleet (
Novel) (Dar Lusail for publication and distribution). This novel deals with the travels of the famous Chinese traveller
Zheng He, the founder of the Maritime
Silk Road, and tells us the story of his arrival in the
Arabian Peninsula at the head of a great fleet, so that
Fuwairit became the focus of events, where he met with Arab leaders and trade representatives, and established relations with countries along the Silk Road. The novel was translated into several world languages such as Sinhala, Chinese, Indonesian: •
The Way of the Sun (
Chinese edition of The Sun Fleet published by
Beijing University in 2019) •
Awon Oko Ogun Oju Omi Lati Ila Oorun (
Yoruba translation of the Novel published by the
University of Ilorin Nigeria 2023) •
Armada Matahari (
Indonesian edition of the novel) •
Manyan Jiragen Ruwan Mahuda Rana (
Hausa translation of the Novel published by the
Ahmadu Bello University, Nigeria 2023) • The Sun Fleet, Sinhala Edition (published in cooperation with the University of Colombo) 5.
Zheng He - Emperor of the Chinese Seas, (published by
Hamad Bin Khalifa University Press, 2020.) This book tells about the historical event of
Zheng He's seven voyages to the Western Oceans, and describes the historical figure Zheng He and his major contributions in various fields, as well as the effects resulting from his voyages. 6.
The Emperor of the East: Zhu Di, (published by Dafaf Publications, 2020.) This book deals with the biography of the Chinese Emperor, the founder of the
Ming Imperial Dynasty, and this book highlights to us the position of this most famous emperor in the history of
China, due to his high hopes and amazing achievements, and the impenetrable barriers that were overcome in the life of this emperor. This work is considered the first book in the Arabic language that deals with this important aspect of Chinese history. 7.
China in the Eyes of Travelers, (published by Hamad Bin Khalifa University Press, 2020) The book deals with part of the
mosaic of Chinese history from the accounts of early Muslim travellers and
geographers. It is considered a scroll of the dazzling drawing of
ancient China through many diverse historical facts. The book includes five chapters in which depicts the form of society of the
Tang and
Song dynasties. The two empires, as well as the early
Yuan Dynasty in terms of economic activities, architectural arts, painting, and social living. 8.The Chinese edition of the book "
China in the Eyes of a Traveler" published by the
South China State Publishing House, 2020. 9.
Al-Hajeb Al-Mansur: Legend of Andalusia, (2022) The book discusses the life of the Andalusian leader Al-Hajib Al-Mansur ibn Abi Amer from the Islamic Andalusian state. Beginning with the biography and characteristics of Hajib al-Mansur, the book deals with the factors that helped him reach power, his struggle with aspiring powers, his relations with the
Spanish kingdom and the
Maghreb, his efforts to organize the army, and his role in cultural and architectural development during era. 10.
The African Legend and Scholar: Sheikh Othman bin Fodi, (2022) The book deals with the life of the Muslim leader in
West Africa, who established a strong
Islamic state in this region. The book may be the first book published on the life of this personality by an Arab writer in more than half a century 11.
Arab Sinology and the Study of Contemporary China (2024) The book sheds light on the efforts of the
Arabs and their role in the field of
Sinology, and to elaborate on the general perception of Arab Sinology. The book is considered one of the first books that talked about Arab Sinology as an independent field of study 12.
Sinology: The Study of Contemporary China in Europe (2024), the book explores Sino-European relations from a sinological perspective and European scholars' contributions to the field of sinology. 13. ''The Founder's Biography: Sheikh Jassim bin Mohammed Al Thani (2025)'': This book, one of the author's latest publications, discusses the biography of Sheikh
Jassim bin Mohammed Al Thani, the founder of the State of
Qatar, discussing his authentic characteristics and his political, social, scientific, reformist, literary, and charitable roles. 14.
The Federal Republic of Nigeria: A Journey Through History, Identity, and Culture (2025): This book presents a history of
Nigeria, focusing on its diverse cultures, from the ancient
Nok civilization to the horizons of modern partnership. • English edition of T
he Federal Republic of Nigeria: A Journey Through History, Identity, and Culture, 2025. 15.
The Rebellious Sheikh (2025): This is Al-Hajri’s latest work, in which he discusses the biography of
Sheikh Issa bin Tarif Al-Binali and his political adventures in the eastern region of the Arabian Peninsula, as well as his political and social influence there. 16.
Darfur and the Globalization of Crises,
International Islamic University Malaysia, 2017: This is a treatise that discusses globalization in the context of
Darfur crises, which is considered one of the author's earliest published books. 17.
The Jabrian Sultanate: The Reign of Sultan Ajwad bin Zamil (
Hamad bin Khalifa University - Qatar 2018) discusses the history of era of Jabrian Sultanate in the
gulf region covering period from 820 AH / 1417 AD until 932 AH - 1525 AD. == Diplomatic career ==