Izhar ul-Haqq
Izhar ul-Haqq or Izhar al-Haq is a book by Rahmatullah Kairanawi. Kairanwi had written this book in response to the allegations made by certain Christian missionaries against Islam and especially to counter Meezanul Haqq, a book written by Pfander against Islam. The book was originally written in Arabic in 1864, this six-volume book was later translated into English, Turkish, Urdu and Bangla.
Christine Schirrmacher describes the book saying:Urdu Translation & Commentary
Late Maulana Akbar Ali Khan of Darul Uloom Karachi translated the book in to Urdu language. Mufti Taqi Usmani wrote commentary to it. He also wrote a preface to the book which now comes as a separate book, What is Christianity? The translation and commentary have been published in three volumes.