This is a long and detailed book. It goes through everything from the origins of the Qur'an to the life of Mohammed to the effect of Islam on other conquered countries. He is not a polemicist; unlike Ali Sina, Robert Spencer or Salman Rushdie, Warraq does not ridicule people or their beliefs. Warraq admits that there are differing opinions on wife-beating; whilst Ayaan Hirsi Ali makes out that Islam always allows it, Warraq points out a contradiction between the Qur'an and the Hadith, which has been resolved in various ways. The worst that he says about Mohammed is that he finds the heroes of other religions to be better role models. The book could do with a bit of humour sometimes; the only bit that I picked up on was when he said that Muslim countries are probably better off without Winnie the Pooh. [No argument was giving for this anti-Pooh stance]. The final words in the book state that the next battle is more likely to be between those who favour freedom and those who do not rather than between Islam and the West. This illustrates that his aim was to safeguard free enquiry and liberty against fundamentalists rather than to simply insult religious faith.
This was written almost fifteen years ago now, but is enjoying a revivial due to its being quoted by lots of atheists. His argument may even have been vindicated by the actions of those last fifteen years.
Some of the other reviews in this section appear to be by people who have not read the book. This can be shown by how they just pick insults out of the sky.