"A Will Denied" by Al Rissalah Centre examines the historical events surrounding the denial of the will of the Prophet Muhammad (PBUH) concerning the leadership of the Muslim community after his passing. The book analyzes the implications of this denial on the development of Islamic governance and sectarian divisions within the Muslim community. Through a thorough exploration of historical texts and narratives, the authors provide insights into the socio-political landscape of early Islam, shedding light on the significance of the Prophet's intended leadership succession.