I can highly recommend "Legal Systems Very Different from Ours" by David Friedman http://www.daviddfriedman.com/Legal%20Systems/LegalSystemsContents.htm http:/

I can highly recommend "Legal Systems Very Different from Ours" by David Friedman http://www.daviddfriedman.com/Legal%20Systems/LegalSystemsContents.htm http://www.daviddfriedman.com/Legal%20Systems/LegalSystemsCo... It includes a few chapters on religion-based legal systems and is interesting throughout.