yewitness Travel Guide Istanbul. Dorling Kindersley Limited, A Penguin company. London. New York. Melbourne. Munich. Delhi. London. 2007. ISBN 978 1 40531 895 2
I seem to have forgotten to ask a copy of another one:
yewitness Travel Guide Turkey. Suzanne Swan. Dorling Kindersley Limited, A Penguin company. London. New York. Melbourne. Munich. Delhi. London. 2008.