Over 100,000 passengers use the Bibliometro (Metro Library Service) available on 12 network stations. The three most popular books in 2017 were: The Girl on the Train by Paula Hawkins; The Silence of the White City by Eva García Sáenz and The Baltimore Boys by Joël Dicker.
Bibliometro is a free book lending service available at 12 stations of the Metro de Madrid network. All you need to do in order to receive the Carnet Único de Bibliotecas Públicas de la Comunidad de Madrid (Madrid Public Libraries Single Card) is show your national ID at any of these Metro Libraries. The library card is issued straight away and may be used in all public libraries within the city of Madrid, as well as in over 90 public libraries within the region.