1.5 line spacing.      6 to 7 pages.  font:  times new roman  size 12.    the title bold and size 14 Write a book review on Patricia Crone and Martin Hinds' God's Caliph. Summaries their arguments and highlight their historical methodology. Steps of political history. Methodology on how did they reach their resources, what text they use to reach the conclusion. Explain what is the revolution concept of the caliphate. At last add your opinion and own review whether you agree with the sources they used and why, also what resources I recommend to use for better conclusions. - simple English / direct arguments and summary(understanding + explanation)  don't use a lot of paraphrasing and quoting only 3 if required, just rewrite your understanding in your own words.