Imagining Istanbul is available at:

1. Cover to Cover Booksellers: 1307 Castro St., SF, CA - google map it
2. Books Inc.—various locations
3. Book Passage: 51 Tamal Vista Blvd., Corte Madera, CA - google map it
4. The Brown University Bookstore: Providence, RI - google map it

And other Bay Area independent bookstores