Name of the book : عصر حاضر میں تکفیر، خروج، جہاد اور نفاذِ شریعت کا منہج
Research regarding the methodology of Takfeer Khurooj Jihad and shari implementation in current times by Dr. Zubair Taymi
About: This is a good small book answering the khawarij and takfeeri idealogy and arguments. Just have a look at its index first and you will see the important topics such as on page 29 by adding secular laws or page 179 regarding an oppressive apostate ruler .
Author : Dr. Muhammad Zubair Taymi