Livraria Lello & Irmão, also known as Livraria Chardron or simply Livraria Lello (Lello Bookshop) is a bookshop located in central Porto, Portugal. It's one of the oldest and Beautiful Architectural Book Store in the world (dating from the 1880’s). Considered as the third best bookshop in the world, also considered as one of the World's Coolest Staircases Architecture building.