Imam Hussain and the Tragedy of Karbala
Islamic Centre publication by Allama Shahid Raza and Allama Hafiz Ather Hussain al-Azhari on the subject of Imam Hussain (May Allah be pleased with him) and the tragedy of Karbala.
The booklet can be download here in PDF format.
Download : Imam Hussain and the Tragedy of Karbala