Start with high-confidence travel in turkey books, then narrow by subgenre or adjacent topics.
Istanbul
John Freely
Taken for Wonder
Naghmeh Sohrabi
The Museum of Innocence
Orhan Pamuk
Ottoman Centuries
Lord Kinross
The Turkish Letters of Ogier Ghiselin De Busbecq
Edward Seymour Forster
The Silk Roads
Peter Frankopan
A Traveller's History of Turkey
Richard Stoneman
Lonely Planet Pocket Istanbul 7 7th Ed.
Virginia Maxwell
Turkey - Culture Smart!
Charlotte McPherson
Lonely Planet Turkiye 17 17th Ed.
Ömercan Kaçar, Mark Elliott
The Lycian Shore
Freya Stark
Armenia - Culture Smart!
Susan Solomon
Daily Life in the Ottoman Empire
Mehrdad Kia