Tokyo Metro
Tokyo Metro distributes a convenient pamphlet, useful for sightseeing in Tokyo. It contains basic information on riding the train, sightseeing spots, guide of airport access, convenient discount tickets and a Tokyo subway map with index for easier identification of each stations.
It can be found at Narita Airport Terminal 1 and Terminal 2 (at the Tourist Information Center (TIC)) and most Tokyo Metro stations. However, they are not available at the following stations: Kita-senju (Hibiya Line), Naka-meguro, Nakano, Nishi-funabashi, Yoyogi-uehara, Wakoshi and Meguro Stations.