original question: Which guidebook covers [Aydƒ±n]
answer: travel to turkey
answer type: Guidebook.
auxiliary information: Aydƒ±n is a city in and the seat of Aydƒ±n Province in Turkey's Aegean Region. The city is located at the heart of the lower valley of B√ºy√ºk Menderes River at a commanding position for the region extending from the uplands of the valley down to the seacoast. Its population was 207554 in 2014. Aydƒ±n city is located along a region which was famous for its fertility and productivity since ancient times. Figs remain the province's best-known crop, although other agricultural products are also grown intensively and the city has some light industry. At the crossroads of a busy transport network of several types, a six-lane motorway connects Aydƒ±n to ƒ∞zmir, Turkey's second port, in less than an hour, and in still less time to the international Adnan Menderes Airport, located along the road between the two cities. A smaller airport, namely Aydƒ±n Airport, is located a few kilometers in the South-East of Aydƒ±n. The region of Aydƒ±n also pioneered the introduction of railways into Turkey in the 19th century and still has the densest railroad network. The province of Aydƒ±n is also where a number of internationally known historic sites and centers of tourism are concentrated.
What is the name of the guidebook that covers [Aydƒ±n]?