İş Bankası Kültür Yayınları is a used bookstore located in Istanbul's Beyoğlu district. The store is part of a larger publishing house and has a wide selection of second-hand books in Turkish, including classic literature, history, philosophy, and more. The store also has a small cafe where you can enjoy a cup of coffee or tea while browsing through books. The staff is knowledgeable and friendly, and they are always happy to help you find the book you're looking for.