today i bought book islam and its meaning and message by Khurshid ahmed..... is it good enough for CSS or should i replace it with other books like that of mentioned introduction to islamic ideology by Anwer Hashmi or some one have suggested me o level book by farkhanda i think.......seniors plz guide me .... i also have Islamic Studies by Imtiaz Shahid .... along with Imtiaz shahid book which other book i should follow...plz tell me..