Renowned artist and illustrator Olaf Hajek maintains his studio in Berlin’s center-most district, Mitte. You might have seen his work in The New York Times Book Review. Recently, I caught up with Hajek for this interview. 1) You’ve done some delightful work for the Autorenbuchhandlung Berlin. Please tell us about the Autorenbuchhandlung. “The Autorenbuchhandlung is a bookstore…