Husni started his literary career in 1995, when he published his first collection of short stories entitled The Game of Silence issued by the Egyptian General Authority for Book. He has also written three plays, including the play Nasoot, which won the Dr. Souad al-Sabah Prize in 1992. While his play The Scarab won the Sharjah Prize for Theatrical Writing in 2005. He has several publications in children's literature and scientific books, including the book Blood in the Alhambra – Intention of the Most Important Document in the History of the Arabs in Spain. In 2019, Husni won the Katara Prize for Arabic Novel for his novel The Last Lesson.
