The book "Al-Fusul fi Sirat al-Rasul" discusses the Prophet's biography and his campaigns, such as the Battle of Buwat and the Battle of Al-Ushayra, among others. It also covers his conditions, characteristics, and special qualities, peace be upon him, such as his Hajj and Umrah, the number of his campaigns and expeditions, as well as the signs of his prophethood and other matters.