This is a great book, explained the Saladin era and the intellectual and religious momentum that lead to freeing Jerusalem.
How did the thoughts of ElGhazaly and the vision of Nezam ElMulk to teach the Sunni faction in schools (madrasa)
One thing need to be said; the author is not Abdul Rahman Azzam the Egyptian diplomat and politician who died in 1976.
The Author is Abdul Rahman Azzam has a BA and PhD in History from Oxford University. He is the author of Rumi and the Kingdom of Joy (2000) and the bestselling Saladin (published in English in 2007 by Longman), which was selected in Jordan as one of the top one hundred books on Islam.