Answer: quiosco
Me gusta leer periódicos y revistas en el tren; me voy a pasar por el quiosco para comprar algo para leer antes de subir al tren.
I like to read newspapers and magazines on the train; I'm going to the kiosk to buy something to read before boarding the train.
Explanation: a kiosk is a small open-fronted hut from which newspapers, magazines, books, etc., are sold. Quiosco means kiosk.